Home / 204,023.82-281,553-113,388.22

Finding the Fourth Proportional to 204,023.82, 281,553 and 113,388.22

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Solution

The fourth proportional to 204,023.82, 281,553 and 113,388.22 is: 156,475.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,023.82 : 281,553 = 113,388.22 : x
  2. Step 2: Convert to fraction form
    204,023.82/281,553 = 113,388.22/x
  3. Step 3: Cross multiply
    204,023.82x = 281,553 × 113,388.22
  4. Step 4: Simplify right side
    204,023.82x = 31,924,793,505.66
  5. Step 5: Solve for x
    x = 31,924,793,505.66/204,023.82
  6. Step 6: Final answer
    x = 156,475.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.