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Finding the Fourth Proportional to 159,614.44, 239,425.30 and 47,292.55

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Solution

The fourth proportional to 159,614.44, 239,425.30 and 47,292.55 is: 70,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,614.44 : 239,425.30 = 47,292.55 : x
  2. Step 2: Convert to fraction form
    159,614.44/239,425.30 = 47,292.55/x
  3. Step 3: Cross multiply
    159,614.44x = 239,425.30 × 47,292.55
  4. Step 4: Simplify right side
    159,614.44x = 11,323,032,971.52
  5. Step 5: Solve for x
    x = 11,323,032,971.52/159,614.44
  6. Step 6: Final answer
    x = 70,939.90

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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.