Home / 91,745.62-137,617.20-25,185.67

Finding the Fourth Proportional to 91,745.62, 137,617.20 and 25,185.67

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Solution

The fourth proportional to 91,745.62, 137,617.20 and 25,185.67 is: 37,778.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,745.62 : 137,617.20 = 25,185.67 : x
  2. Step 2: Convert to fraction form
    91,745.62/137,617.20 = 25,185.67/x
  3. Step 3: Cross multiply
    91,745.62x = 137,617.20 × 25,185.67
  4. Step 4: Simplify right side
    91,745.62x = 3,465,981,385.52
  5. Step 5: Solve for x
    x = 3,465,981,385.52/91,745.62
  6. Step 6: Final answer
    x = 37,778.17

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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.