Home / 238,965.17-329,772.03-131,534.43

Finding the Fourth Proportional to 238,965.17, 329,772.03 and 131,534.43

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Solution

The fourth proportional to 238,965.17, 329,772.03 and 131,534.43 is: 181,517.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,965.17 : 329,772.03 = 131,534.43 : x
  2. Step 2: Convert to fraction form
    238,965.17/329,772.03 = 131,534.43/x
  3. Step 3: Cross multiply
    238,965.17x = 329,772.03 × 131,534.43
  4. Step 4: Simplify right side
    238,965.17x = 43,376,375,502.74
  5. Step 5: Solve for x
    x = 43,376,375,502.74/238,965.17
  6. Step 6: Final answer
    x = 181,517.56

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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.