Home / 80,767.28-121,157.16-24,612.20

Finding the Fourth Proportional to 80,767.28, 121,157.16 and 24,612.20

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Solution

The fourth proportional to 80,767.28, 121,157.16 and 24,612.20 is: 36,920.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,767.28 : 121,157.16 = 24,612.20 : x
  2. Step 2: Convert to fraction form
    80,767.28/121,157.16 = 24,612.20/x
  3. Step 3: Cross multiply
    80,767.28x = 121,157.16 × 24,612.20
  4. Step 4: Simplify right side
    80,767.28x = 2,981,944,253.35
  5. Step 5: Solve for x
    x = 2,981,944,253.35/80,767.28
  6. Step 6: Final answer
    x = 36,920.20

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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.