Home / 203,712.39-281,118.87-113,063.04

Finding the Fourth Proportional to 203,712.39, 281,118.87 and 113,063.04

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Solution

The fourth proportional to 203,712.39, 281,118.87 and 113,063.04 is: 156,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,712.39 : 281,118.87 = 113,063.04 : x
  2. Step 2: Convert to fraction form
    203,712.39/281,118.87 = 113,063.04/x
  3. Step 3: Cross multiply
    203,712.39x = 281,118.87 × 113,063.04
  4. Step 4: Simplify right side
    203,712.39x = 31,784,154,043.56
  5. Step 5: Solve for x
    x = 31,784,154,043.56/203,712.39
  6. Step 6: Final answer
    x = 156,024.65

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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.