Home / 206,025.12-284,320.94-115,380.86

Finding the Fourth Proportional to 206,025.12, 284,320.94 and 115,380.86

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Solution

The fourth proportional to 206,025.12, 284,320.94 and 115,380.86 is: 159,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,025.12 : 284,320.94 = 115,380.86 : x
  2. Step 2: Convert to fraction form
    206,025.12/284,320.94 = 115,380.86/x
  3. Step 3: Cross multiply
    206,025.12x = 284,320.94 × 115,380.86
  4. Step 4: Simplify right side
    206,025.12x = 32,805,192,574.70
  5. Step 5: Solve for x
    x = 32,805,192,574.70/206,025.12
  6. Step 6: Final answer
    x = 159,229.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.