Home / 88,150.41-131,930.10-72,354.87

Finding the Fourth Proportional to 88,150.41, 131,930.10 and 72,354.87

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Solution

The fourth proportional to 88,150.41, 131,930.10 and 72,354.87 is: 108,289.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,150.41 : 131,930.10 = 72,354.87 : x
  2. Step 2: Convert to fraction form
    88,150.41/131,930.10 = 72,354.87/x
  3. Step 3: Cross multiply
    88,150.41x = 131,930.10 × 72,354.87
  4. Step 4: Simplify right side
    88,150.41x = 9,545,785,234.59
  5. Step 5: Solve for x
    x = 9,545,785,234.59/88,150.41
  6. Step 6: Final answer
    x = 108,289.74

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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.