Home / 87,452.40-131,178.60-69,956.40

Finding the Fourth Proportional to 87,452.40, 131,178.60 and 69,956.40

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Solution

The fourth proportional to 87,452.40, 131,178.60 and 69,956.40 is: 104,934.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,452.40 : 131,178.60 = 69,956.40 : x
  2. Step 2: Convert to fraction form
    87,452.40/131,178.60 = 69,956.40/x
  3. Step 3: Cross multiply
    87,452.40x = 131,178.60 × 69,956.40
  4. Step 4: Simplify right side
    87,452.40x = 9,176,782,613.04
  5. Step 5: Solve for x
    x = 9,176,782,613.04/87,452.40
  6. Step 6: Final answer
    x = 104,934.60

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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.