Home / 494,112.30-741,168.45-120,135.30

Finding the Fourth Proportional to 494,112.30, 741,168.45 and 120,135.30

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Solution

The fourth proportional to 494,112.30, 741,168.45 and 120,135.30 is: 180,202.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,112.30 : 741,168.45 = 120,135.30 : x
  2. Step 2: Convert to fraction form
    494,112.30/741,168.45 = 120,135.30/x
  3. Step 3: Cross multiply
    494,112.30x = 741,168.45 × 120,135.30
  4. Step 4: Simplify right side
    494,112.30x = 89,040,494,091.29
  5. Step 5: Solve for x
    x = 89,040,494,091.29/494,112.30
  6. Step 6: Final answer
    x = 180,202.95

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Similar ratio
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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.