Home / 91,982.67-137,949.29-25,407.15

Finding the Fourth Proportional to 91,982.67, 137,949.29 and 25,407.15

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Solution

The fourth proportional to 91,982.67, 137,949.29 and 25,407.15 is: 38,103.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,982.67 : 137,949.29 = 25,407.15 : x
  2. Step 2: Convert to fraction form
    91,982.67/137,949.29 = 25,407.15/x
  3. Step 3: Cross multiply
    91,982.67x = 137,949.29 × 25,407.15
  4. Step 4: Simplify right side
    91,982.67x = 3,504,898,176.39
  5. Step 5: Solve for x
    x = 3,504,898,176.39/91,982.67
  6. Step 6: Final answer
    x = 38,103.90

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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.