Home / 129,922.08-194,766.48-107,877.12

Finding the Fourth Proportional to 129,922.08, 194,766.48 and 107,877.12

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Solution

The fourth proportional to 129,922.08, 194,766.48 and 107,877.12 is: 161,718.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,922.08 : 194,766.48 = 107,877.12 : x
  2. Step 2: Convert to fraction form
    129,922.08/194,766.48 = 107,877.12/x
  3. Step 3: Cross multiply
    129,922.08x = 194,766.48 × 107,877.12
  4. Step 4: Simplify right side
    129,922.08x = 21,010,846,934.94
  5. Step 5: Solve for x
    x = 21,010,846,934.94/129,922.08
  6. Step 6: Final answer
    x = 161,718.83

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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.