Home / 91,489.45-137,234.18-60,097.90

Finding the Fourth Proportional to 91,489.45, 137,234.18 and 60,097.90

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Solution

The fourth proportional to 91,489.45, 137,234.18 and 60,097.90 is: 90,146.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,489.45 : 137,234.18 = 60,097.90 : x
  2. Step 2: Convert to fraction form
    91,489.45/137,234.18 = 60,097.90/x
  3. Step 3: Cross multiply
    91,489.45x = 137,234.18 × 60,097.90
  4. Step 4: Simplify right side
    91,489.45x = 8,247,486,026.22
  5. Step 5: Solve for x
    x = 8,247,486,026.22/91,489.45
  6. Step 6: Final answer
    x = 90,146.85

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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.