The following table shows the percentage distribution of workers in five companies and the ratio of male workers to female workers.
| Company | Percentage of workers | Male ∶ Female |
| A | 15 | 3 ∶ 2 |
| B | 20 | 4 ∶ 1 |
| C | 16 | 5 ∶ 3 |
| D | 21 | 4 ∶ 3 |
| E | 28 | 1 ∶ 1 |
If number of male workers in company B is 240, then what is the number of female workers in company A?
1
136
2
54
3
112
4
90