Home / 91,499.46-137,249.22-60,107.90

Finding the Fourth Proportional to 91,499.46, 137,249.22 and 60,107.90

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Solution

The fourth proportional to 91,499.46, 137,249.22 and 60,107.90 is: 90,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,499.46 : 137,249.22 = 60,107.90 : x
  2. Step 2: Convert to fraction form
    91,499.46/137,249.22 = 60,107.90/x
  3. Step 3: Cross multiply
    91,499.46x = 137,249.22 × 60,107.90
  4. Step 4: Simplify right side
    91,499.46x = 8,249,762,390.84
  5. Step 5: Solve for x
    x = 8,249,762,390.84/91,499.46
  6. Step 6: Final answer
    x = 90,161.87

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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.