Home / 444,928.55-667,387.81-107,972.90

Finding the Fourth Proportional to 444,928.55, 667,387.81 and 107,972.90

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Solution

The fourth proportional to 444,928.55, 667,387.81 and 107,972.90 is: 161,958.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,928.55 : 667,387.81 = 107,972.90 : x
  2. Step 2: Convert to fraction form
    444,928.55/667,387.81 = 107,972.90/x
  3. Step 3: Cross multiply
    444,928.55x = 667,387.81 × 107,972.90
  4. Step 4: Simplify right side
    444,928.55x = 72,059,795,963.73
  5. Step 5: Solve for x
    x = 72,059,795,963.73/444,928.55
  6. Step 6: Final answer
    x = 161,958.13

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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.