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Finding the Fourth Proportional to 159,798.52, 239,789.32 and 65,011.20

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Solution

The fourth proportional to 159,798.52, 239,789.32 and 65,011.20 is: 97,554.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,798.52 : 239,789.32 = 65,011.20 : x
  2. Step 2: Convert to fraction form
    159,798.52/239,789.32 = 65,011.20/x
  3. Step 3: Cross multiply
    159,798.52x = 239,789.32 × 65,011.20
  4. Step 4: Simplify right side
    159,798.52x = 15,588,991,440.38
  5. Step 5: Solve for x
    x = 15,588,991,440.38/159,798.52
  6. Step 6: Final answer
    x = 97,554.04

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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.