Home / 88,102.43-132,124.02-31,930.78

Finding the Fourth Proportional to 88,102.43, 132,124.02 and 31,930.78

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Solution

The fourth proportional to 88,102.43, 132,124.02 and 31,930.78 is: 47,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,102.43 : 132,124.02 = 31,930.78 : x
  2. Step 2: Convert to fraction form
    88,102.43/132,124.02 = 31,930.78/x
  3. Step 3: Cross multiply
    88,102.43x = 132,124.02 × 31,930.78
  4. Step 4: Simplify right side
    88,102.43x = 4,218,822,685.03
  5. Step 5: Solve for x
    x = 4,218,822,685.03/88,102.43
  6. Step 6: Final answer
    x = 47,885.43

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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.