Home / 87,604.74-131,407.11-50,138.70

Finding the Fourth Proportional to 87,604.74, 131,407.11 and 50,138.70

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Solution

The fourth proportional to 87,604.74, 131,407.11 and 50,138.70 is: 75,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,604.74 : 131,407.11 = 50,138.70 : x
  2. Step 2: Convert to fraction form
    87,604.74/131,407.11 = 50,138.70/x
  3. Step 3: Cross multiply
    87,604.74x = 131,407.11 × 50,138.70
  4. Step 4: Simplify right side
    87,604.74x = 6,588,581,173.38
  5. Step 5: Solve for x
    x = 6,588,581,173.38/87,604.74
  6. Step 6: Final answer
    x = 75,208.04

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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.