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Finding the Fourth Proportional to 159,938.72, 239,908.37 and 41,609.87

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Solution

The fourth proportional to 159,938.72, 239,908.37 and 41,609.87 is: 62,414.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,938.72 : 239,908.37 = 41,609.87 : x
  2. Step 2: Convert to fraction form
    159,938.72/239,908.37 = 41,609.87/x
  3. Step 3: Cross multiply
    159,938.72x = 239,908.37 × 41,609.87
  4. Step 4: Simplify right side
    159,938.72x = 9,982,555,879.56
  5. Step 5: Solve for x
    x = 9,982,555,879.56/159,938.72
  6. Step 6: Final answer
    x = 62,414.88

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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.