Home / 91,469.20-137,203.79-60,297.16

Finding the Fourth Proportional to 91,469.20, 137,203.79 and 60,297.16

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Solution

The fourth proportional to 91,469.20, 137,203.79 and 60,297.16 is: 90,445.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,469.20 : 137,203.79 = 60,297.16 : x
  2. Step 2: Convert to fraction form
    91,469.20/137,203.79 = 60,297.16/x
  3. Step 3: Cross multiply
    91,469.20x = 137,203.79 × 60,297.16
  4. Step 4: Simplify right side
    91,469.20x = 8,272,998,685.97
  5. Step 5: Solve for x
    x = 8,272,998,685.97/91,469.20
  6. Step 6: Final answer
    x = 90,445.73

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1.5x scale

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.