Home / 137,518.28-206,234.22-53,272.61

Finding the Fourth Proportional to 137,518.28, 206,234.22 and 53,272.61

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Solution

The fourth proportional to 137,518.28, 206,234.22 and 53,272.61 is: 79,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,518.28 : 206,234.22 = 53,272.61 : x
  2. Step 2: Convert to fraction form
    137,518.28/206,234.22 = 53,272.61/x
  3. Step 3: Cross multiply
    137,518.28x = 206,234.22 × 53,272.61
  4. Step 4: Simplify right side
    137,518.28x = 10,986,635,170.71
  5. Step 5: Solve for x
    x = 10,986,635,170.71/137,518.28
  6. Step 6: Final answer
    x = 79,892.18

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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.