Home / 91,761.13-137,618.90-25,197.96

Finding the Fourth Proportional to 91,761.13, 137,618.90 and 25,197.96

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Solution

The fourth proportional to 91,761.13, 137,618.90 and 25,197.96 is: 37,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,761.13 : 137,618.90 = 25,197.96 : x
  2. Step 2: Convert to fraction form
    91,761.13/137,618.90 = 25,197.96/x
  3. Step 3: Cross multiply
    91,761.13x = 137,618.90 × 25,197.96
  4. Step 4: Simplify right side
    91,761.13x = 3,467,715,389.65
  5. Step 5: Solve for x
    x = 3,467,715,389.65/91,761.13
  6. Step 6: Final answer
    x = 37,790.68

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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.