Home / 129,913.30-195,049.23-89,833.96

Finding the Fourth Proportional to 129,913.30, 195,049.23 and 89,833.96

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Solution

The fourth proportional to 129,913.30, 195,049.23 and 89,833.96 is: 134,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,913.30 : 195,049.23 = 89,833.96 : x
  2. Step 2: Convert to fraction form
    129,913.30/195,049.23 = 89,833.96/x
  3. Step 3: Cross multiply
    129,913.30x = 195,049.23 × 89,833.96
  4. Step 4: Simplify right side
    129,913.30x = 17,522,043,301.43
  5. Step 5: Solve for x
    x = 17,522,043,301.43/129,913.30
  6. Step 6: Final answer
    x = 134,874.90

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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.