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Finding the Fourth Proportional to 159,470.76, 239,123.12 and 59,548.79

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Solution

The fourth proportional to 159,470.76, 239,123.12 and 59,548.79 is: 89,292.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,470.76 : 239,123.12 = 59,548.79 : x
  2. Step 2: Convert to fraction form
    159,470.76/239,123.12 = 59,548.79/x
  3. Step 3: Cross multiply
    159,470.76x = 239,123.12 × 59,548.79
  4. Step 4: Simplify right side
    159,470.76x = 14,239,491,860.38
  5. Step 5: Solve for x
    x = 14,239,491,860.38/159,470.76
  6. Step 6: Final answer
    x = 89,292.18

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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.