Home / 204,515.10-307,003.05-157,974.30

Finding the Fourth Proportional to 204,515.10, 307,003.05 and 157,974.30

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Solution

The fourth proportional to 204,515.10, 307,003.05 and 157,974.30 is: 237,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,515.10 : 307,003.05 = 157,974.30 : x
  2. Step 2: Convert to fraction form
    204,515.10/307,003.05 = 157,974.30/x
  3. Step 3: Cross multiply
    204,515.10x = 307,003.05 × 157,974.30
  4. Step 4: Simplify right side
    204,515.10x = 48,498,591,921.62
  5. Step 5: Solve for x
    x = 48,498,591,921.62/204,515.10
  6. Step 6: Final answer
    x = 237,139.42

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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.