Home / 87,466-131,227.96-43,123.28

Finding the Fourth Proportional to 87,466, 131,227.96 and 43,123.28

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Solution

The fourth proportional to 87,466, 131,227.96 and 43,123.28 is: 64,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,466 : 131,227.96 = 43,123.28 : x
  2. Step 2: Convert to fraction form
    87,466/131,227.96 = 43,123.28/x
  3. Step 3: Cross multiply
    87,466x = 131,227.96 × 43,123.28
  4. Step 4: Simplify right side
    87,466x = 5,658,980,062.91
  5. Step 5: Solve for x
    x = 5,658,980,062.91/87,466
  6. Step 6: Final answer
    x = 64,699.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.