Home / 113,773.28-156,996.24-63,475.52

Finding the Fourth Proportional to 113,773.28, 156,996.24 and 63,475.52

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Solution

The fourth proportional to 113,773.28, 156,996.24 and 63,475.52 is: 87,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,773.28 : 156,996.24 = 63,475.52 : x
  2. Step 2: Convert to fraction form
    113,773.28/156,996.24 = 63,475.52/x
  3. Step 3: Cross multiply
    113,773.28x = 156,996.24 × 63,475.52
  4. Step 4: Simplify right side
    113,773.28x = 9,965,417,972.04
  5. Step 5: Solve for x
    x = 9,965,417,972.04/113,773.28
  6. Step 6: Final answer
    x = 87,590.14

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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.