Home / 159,553.28-239,281.92-54,348.16

Finding the Fourth Proportional to 159,553.28, 239,281.92 and 54,348.16

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Solution

The fourth proportional to 159,553.28, 239,281.92 and 54,348.16 is: 81,505.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,553.28 : 239,281.92 = 54,348.16 : x
  2. Step 2: Convert to fraction form
    159,553.28/239,281.92 = 54,348.16/x
  3. Step 3: Cross multiply
    159,553.28x = 239,281.92 × 54,348.16
  4. Step 4: Simplify right side
    159,553.28x = 13,004,532,073.27
  5. Step 5: Solve for x
    x = 13,004,532,073.27/159,553.28
  6. Step 6: Final answer
    x = 81,505.89

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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.