Home / 129,091.92-193,542.48-54,234.24

Finding the Fourth Proportional to 129,091.92, 193,542.48 and 54,234.24

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Solution

The fourth proportional to 129,091.92, 193,542.48 and 54,234.24 is: 81,311.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,091.92 : 193,542.48 = 54,234.24 : x
  2. Step 2: Convert to fraction form
    129,091.92/193,542.48 = 54,234.24/x
  3. Step 3: Cross multiply
    129,091.92x = 193,542.48 × 54,234.24
  4. Step 4: Simplify right side
    129,091.92x = 10,496,629,310.52
  5. Step 5: Solve for x
    x = 10,496,629,310.52/129,091.92
  6. Step 6: Final answer
    x = 81,311.28

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1.5x scale

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.