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Finding the Fourth Proportional to 203,959.96, 281,505.04 and 130,325.32

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Solution

The fourth proportional to 203,959.96, 281,505.04 and 130,325.32 is: 179,874.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,959.96 : 281,505.04 = 130,325.32 : x
  2. Step 2: Convert to fraction form
    203,959.96/281,505.04 = 130,325.32/x
  3. Step 3: Cross multiply
    203,959.96x = 281,505.04 × 130,325.32
  4. Step 4: Simplify right side
    203,959.96x = 36,687,234,419.61
  5. Step 5: Solve for x
    x = 36,687,234,419.61/203,959.96
  6. Step 6: Final answer
    x = 179,874.69

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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.