Home / 131,972.38-182,079.07-74,606.16

Finding the Fourth Proportional to 131,972.38, 182,079.07 and 74,606.16

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Solution

The fourth proportional to 131,972.38, 182,079.07 and 74,606.16 is: 102,932.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,972.38 : 182,079.07 = 74,606.16 : x
  2. Step 2: Convert to fraction form
    131,972.38/182,079.07 = 74,606.16/x
  3. Step 3: Cross multiply
    131,972.38x = 182,079.07 × 74,606.16
  4. Step 4: Simplify right side
    131,972.38x = 13,584,220,229.07
  5. Step 5: Solve for x
    x = 13,584,220,229.07/131,972.38
  6. Step 6: Final answer
    x = 102,932.30

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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.