Home / 115,065.27-158,790-67,327.83

Finding the Fourth Proportional to 115,065.27, 158,790 and 67,327.83

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Solution

The fourth proportional to 115,065.27, 158,790 and 67,327.83 is: 92,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,065.27 : 158,790 = 67,327.83 : x
  2. Step 2: Convert to fraction form
    115,065.27/158,790 = 67,327.83/x
  3. Step 3: Cross multiply
    115,065.27x = 158,790 × 67,327.83
  4. Step 4: Simplify right side
    115,065.27x = 10,690,986,125.70
  5. Step 5: Solve for x
    x = 10,690,986,125.70/115,065.27
  6. Step 6: Final answer
    x = 92,912.36

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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.