Home / 83,187.96-124,711.22-36,405.88

Finding the Fourth Proportional to 83,187.96, 124,711.22 and 36,405.88

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Solution

The fourth proportional to 83,187.96, 124,711.22 and 36,405.88 is: 54,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,187.96 : 124,711.22 = 36,405.88 : x
  2. Step 2: Convert to fraction form
    83,187.96/124,711.22 = 36,405.88/x
  3. Step 3: Cross multiply
    83,187.96x = 124,711.22 × 36,405.88
  4. Step 4: Simplify right side
    83,187.96x = 4,540,221,709.97
  5. Step 5: Solve for x
    x = 4,540,221,709.97/83,187.96
  6. Step 6: Final answer
    x = 54,577.87

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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.