Home / 129,906.30-194,879.82-55,026.66

Finding the Fourth Proportional to 129,906.30, 194,879.82 and 55,026.66

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Solution

The fourth proportional to 129,906.30, 194,879.82 and 55,026.66 is: 82,548.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,906.30 : 194,879.82 = 55,026.66 : x
  2. Step 2: Convert to fraction form
    129,906.30/194,879.82 = 55,026.66/x
  3. Step 3: Cross multiply
    129,906.30x = 194,879.82 × 55,026.66
  4. Step 4: Simplify right side
    129,906.30x = 10,723,585,596.00
  5. Step 5: Solve for x
    x = 10,723,585,596.00/129,906.30
  6. Step 6: Final answer
    x = 82,548.62

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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.