Home / 133,034.20-199,585.86-66,471.64

Finding the Fourth Proportional to 133,034.20, 199,585.86 and 66,471.64

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Solution

The fourth proportional to 133,034.20, 199,585.86 and 66,471.64 is: 99,724.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,034.20 : 199,585.86 = 66,471.64 : x
  2. Step 2: Convert to fraction form
    133,034.20/199,585.86 = 66,471.64/x
  3. Step 3: Cross multiply
    133,034.20x = 199,585.86 × 66,471.64
  4. Step 4: Simplify right side
    133,034.20x = 13,266,799,435.01
  5. Step 5: Solve for x
    x = 13,266,799,435.01/133,034.20
  6. Step 6: Final answer
    x = 99,724.73

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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.