Home / 204,519.62-306,853.23-71,419.52

Finding the Fourth Proportional to 204,519.62, 306,853.23 and 71,419.52

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Solution

The fourth proportional to 204,519.62, 306,853.23 and 71,419.52 is: 107,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,519.62 : 306,853.23 = 71,419.52 : x
  2. Step 2: Convert to fraction form
    204,519.62/306,853.23 = 71,419.52/x
  3. Step 3: Cross multiply
    204,519.62x = 306,853.23 × 71,419.52
  4. Step 4: Simplify right side
    204,519.62x = 21,915,310,397.05
  5. Step 5: Solve for x
    x = 21,915,310,397.05/204,519.62
  6. Step 6: Final answer
    x = 107,155.05

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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.