Home / 87,512.10-131,399.39-50,114.40

Finding the Fourth Proportional to 87,512.10, 131,399.39 and 50,114.40

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Solution

The fourth proportional to 87,512.10, 131,399.39 and 50,114.40 is: 75,246.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,512.10 : 131,399.39 = 50,114.40 : x
  2. Step 2: Convert to fraction form
    87,512.10/131,399.39 = 50,114.40/x
  3. Step 3: Cross multiply
    87,512.10x = 131,399.39 × 50,114.40
  4. Step 4: Simplify right side
    87,512.10x = 6,585,001,590.22
  5. Step 5: Solve for x
    x = 6,585,001,590.22/87,512.10
  6. Step 6: Final answer
    x = 75,246.76

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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.