Home / 187,297.80-258,250.10-151,376.73

Finding the Fourth Proportional to 187,297.80, 258,250.10 and 151,376.73

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Solution

The fourth proportional to 187,297.80, 258,250.10 and 151,376.73 is: 208,721.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,297.80 : 258,250.10 = 151,376.73 : x
  2. Step 2: Convert to fraction form
    187,297.80/258,250.10 = 151,376.73/x
  3. Step 3: Cross multiply
    187,297.80x = 258,250.10 × 151,376.73
  4. Step 4: Simplify right side
    187,297.80x = 39,093,055,660.17
  5. Step 5: Solve for x
    x = 39,093,055,660.17/187,297.80
  6. Step 6: Final answer
    x = 208,721.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.