Home / 203,876.54-281,346.06-113,229.04

Finding the Fourth Proportional to 203,876.54, 281,346.06 and 113,229.04

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Solution

The fourth proportional to 203,876.54, 281,346.06 and 113,229.04 is: 156,254.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,876.54 : 281,346.06 = 113,229.04 : x
  2. Step 2: Convert to fraction form
    203,876.54/281,346.06 = 113,229.04/x
  3. Step 3: Cross multiply
    203,876.54x = 281,346.06 × 113,229.04
  4. Step 4: Simplify right side
    203,876.54x = 31,856,544,281.58
  5. Step 5: Solve for x
    x = 31,856,544,281.58/203,876.54
  6. Step 6: Final answer
    x = 156,254.10

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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.