Home / 203,841.29-281,291.54-113,203.04

Finding the Fourth Proportional to 203,841.29, 281,291.54 and 113,203.04

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Solution

The fourth proportional to 203,841.29, 281,291.54 and 113,203.04 is: 156,214.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,841.29 : 281,291.54 = 113,203.04 : x
  2. Step 2: Convert to fraction form
    203,841.29/281,291.54 = 113,203.04/x
  3. Step 3: Cross multiply
    203,841.29x = 281,291.54 × 113,203.04
  4. Step 4: Simplify right side
    203,841.29x = 31,843,055,481.81
  5. Step 5: Solve for x
    x = 31,843,055,481.81/203,841.29
  6. Step 6: Final answer
    x = 156,214.94

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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.