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Finding the Fourth Proportional to 92,037.52, 138,059.34 and 25,472.08

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Solution

The fourth proportional to 92,037.52, 138,059.34 and 25,472.08 is: 38,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,037.52 : 138,059.34 = 25,472.08 : x
  2. Step 2: Convert to fraction form
    92,037.52/138,059.34 = 25,472.08/x
  3. Step 3: Cross multiply
    92,037.52x = 138,059.34 × 25,472.08
  4. Step 4: Simplify right side
    92,037.52x = 3,516,658,553.23
  5. Step 5: Solve for x
    x = 3,516,658,553.23/92,037.52
  6. Step 6: Final answer
    x = 38,208.97

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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.