Home / 129,246.30-193,432.05-113,499.90

Finding the Fourth Proportional to 129,246.30, 193,432.05 and 113,499.90

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Solution

The fourth proportional to 129,246.30, 193,432.05 and 113,499.90 is: 169,865.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,246.30 : 193,432.05 = 113,499.90 : x
  2. Step 2: Convert to fraction form
    129,246.30/193,432.05 = 113,499.90/x
  3. Step 3: Cross multiply
    129,246.30x = 193,432.05 × 113,499.90
  4. Step 4: Simplify right side
    129,246.30x = 21,954,518,331.80
  5. Step 5: Solve for x
    x = 21,954,518,331.80/129,246.30
  6. Step 6: Final answer
    x = 169,865.74

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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.