Home / 91,745.76-137,617.92-25,185.64

Finding the Fourth Proportional to 91,745.76, 137,617.92 and 25,185.64

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Solution

The fourth proportional to 91,745.76, 137,617.92 and 25,185.64 is: 37,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,745.76 : 137,617.92 = 25,185.64 : x
  2. Step 2: Convert to fraction form
    91,745.76/137,617.92 = 25,185.64/x
  3. Step 3: Cross multiply
    91,745.76x = 137,617.92 × 25,185.64
  4. Step 4: Simplify right side
    91,745.76x = 3,465,995,390.67
  5. Step 5: Solve for x
    x = 3,465,995,390.67/91,745.76
  6. Step 6: Final answer
    x = 37,778.26

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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.