Home / 204,155.90-281,719.11-113,506.30

Finding the Fourth Proportional to 204,155.90, 281,719.11 and 113,506.30

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Solution

The fourth proportional to 204,155.90, 281,719.11 and 113,506.30 is: 156,629.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,155.90 : 281,719.11 = 113,506.30 : x
  2. Step 2: Convert to fraction form
    204,155.90/281,719.11 = 113,506.30/x
  3. Step 3: Cross multiply
    204,155.90x = 281,719.11 × 113,506.30
  4. Step 4: Simplify right side
    204,155.90x = 31,976,893,815.39
  5. Step 5: Solve for x
    x = 31,976,893,815.39/204,155.90
  6. Step 6: Final answer
    x = 156,629.78

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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.