Home / 137,728.30-206,592.45-95,519.20

Finding the Fourth Proportional to 137,728.30, 206,592.45 and 95,519.20

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Solution

The fourth proportional to 137,728.30, 206,592.45 and 95,519.20 is: 143,278.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,728.30 : 206,592.45 = 95,519.20 : x
  2. Step 2: Convert to fraction form
    137,728.30/206,592.45 = 95,519.20/x
  3. Step 3: Cross multiply
    137,728.30x = 206,592.45 × 95,519.20
  4. Step 4: Simplify right side
    137,728.30x = 19,733,545,550.04
  5. Step 5: Solve for x
    x = 19,733,545,550.04/137,728.30
  6. Step 6: Final answer
    x = 143,278.80

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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.