Home / 129,311.30-193,958.88-61,891.22

Finding the Fourth Proportional to 129,311.30, 193,958.88 and 61,891.22

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Solution

The fourth proportional to 129,311.30, 193,958.88 and 61,891.22 is: 92,832.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,311.30 : 193,958.88 = 61,891.22 : x
  2. Step 2: Convert to fraction form
    129,311.30/193,958.88 = 61,891.22/x
  3. Step 3: Cross multiply
    129,311.30x = 193,958.88 × 61,891.22
  4. Step 4: Simplify right side
    129,311.30x = 12,004,350,743.24
  5. Step 5: Solve for x
    x = 12,004,350,743.24/129,311.30
  6. Step 6: Final answer
    x = 92,832.96

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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.