Home / 149,137.92-223,706.82-54,375.20

Finding the Fourth Proportional to 149,137.92, 223,706.82 and 54,375.20

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Solution

The fourth proportional to 149,137.92, 223,706.82 and 54,375.20 is: 81,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,137.92 : 223,706.82 = 54,375.20 : x
  2. Step 2: Convert to fraction form
    149,137.92/223,706.82 = 54,375.20/x
  3. Step 3: Cross multiply
    149,137.92x = 223,706.82 × 54,375.20
  4. Step 4: Simplify right side
    149,137.92x = 12,164,103,078.86
  5. Step 5: Solve for x
    x = 12,164,103,078.86/149,137.92
  6. Step 6: Final answer
    x = 81,562.78

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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.