Home / 83,489.28-115,148.03-73,396.14

Finding the Fourth Proportional to 83,489.28, 115,148.03 and 73,396.14

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Solution

The fourth proportional to 83,489.28, 115,148.03 and 73,396.14 is: 101,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,489.28 : 115,148.03 = 73,396.14 : x
  2. Step 2: Convert to fraction form
    83,489.28/115,148.03 = 73,396.14/x
  3. Step 3: Cross multiply
    83,489.28x = 115,148.03 × 73,396.14
  4. Step 4: Simplify right side
    83,489.28x = 8,451,420,563.62
  5. Step 5: Solve for x
    x = 8,451,420,563.62/83,489.28
  6. Step 6: Final answer
    x = 101,227.61

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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.