Home / 168,459.85-232,475.09-91,979.61

Finding the Fourth Proportional to 168,459.85, 232,475.09 and 91,979.61

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Solution

The fourth proportional to 168,459.85, 232,475.09 and 91,979.61 is: 126,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,459.85 : 232,475.09 = 91,979.61 : x
  2. Step 2: Convert to fraction form
    168,459.85/232,475.09 = 91,979.61/x
  3. Step 3: Cross multiply
    168,459.85x = 232,475.09 × 91,979.61
  4. Step 4: Simplify right side
    168,459.85x = 21,382,967,531.73
  5. Step 5: Solve for x
    x = 21,382,967,531.73/168,459.85
  6. Step 6: Final answer
    x = 126,932.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.