Bangladesh bowled out Ireland for 181 runs in 46.3 overs in the fourth match of the Tri-Nation Series at Dublin (Malahide) on Friday.Left-arm pacer Mustafizur Rahman picked up four wickets while debutant Sunzamul Islam and captain Mashrafe Mortaza took two wickets each. Ace all rounder Shakib Al Hasan and Mosaddek Hossain shared the other two wickets.Opener Ed Joyce was the highest run-scorer with 46 from 74 balls while Niall O’Brien’s 30-run was the second highest score for the hosts.Earlier, Bangladesh captain Mashrafe Mortaza won the toss and opted to field first.Bangladesh: Tamim Iqbal, Soumya Sarkar, Sabbir Rahman, Mushfiqur Rahim(w), Shakib Al Hasan, Mahmudullah, Mosaddek Hossain Saikat, Sunzamul Islam, Mashrafe Mortaza(c), Rubel Hossain and Mustafizur Rahman.Ireland: William Porterfield(c), Paul Stirling, Ed Joyce, Niall O’Brien(w), Andrew Balbirnie, Kevin O’Brien, Gary Wilson, George Dockrell, Barry McCarthy, Tim Murtagh and Peter Chase.