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Finding the Fourth Proportional to 159,817.38, 239,755.24 and 79,897.12

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Solution

The fourth proportional to 159,817.38, 239,755.24 and 79,897.12 is: 119,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,817.38 : 239,755.24 = 79,897.12 : x
  2. Step 2: Convert to fraction form
    159,817.38/239,755.24 = 79,897.12/x
  3. Step 3: Cross multiply
    159,817.38x = 239,755.24 × 79,897.12
  4. Step 4: Simplify right side
    159,817.38x = 19,155,753,180.91
  5. Step 5: Solve for x
    x = 19,155,753,180.91/159,817.38
  6. Step 6: Final answer
    x = 119,860.26

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1.5x scale

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.