Home / 167,538.66-231,205.17-91,057.73

Finding the Fourth Proportional to 167,538.66, 231,205.17 and 91,057.73

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Solution

The fourth proportional to 167,538.66, 231,205.17 and 91,057.73 is: 125,660.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,538.66 : 231,205.17 = 91,057.73 : x
  2. Step 2: Convert to fraction form
    167,538.66/231,205.17 = 91,057.73/x
  3. Step 3: Cross multiply
    167,538.66x = 231,205.17 × 91,057.73
  4. Step 4: Simplify right side
    167,538.66x = 21,053,016,788.44
  5. Step 5: Solve for x
    x = 21,053,016,788.44/167,538.66
  6. Step 6: Final answer
    x = 125,660.65

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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.