Home / 203,517.12-305,290.26-53,755.92

Finding the Fourth Proportional to 203,517.12, 305,290.26 and 53,755.92

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Solution

The fourth proportional to 203,517.12, 305,290.26 and 53,755.92 is: 80,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,517.12 : 305,290.26 = 53,755.92 : x
  2. Step 2: Convert to fraction form
    203,517.12/305,290.26 = 53,755.92/x
  3. Step 3: Cross multiply
    203,517.12x = 305,290.26 × 53,755.92
  4. Step 4: Simplify right side
    203,517.12x = 16,411,158,793.34
  5. Step 5: Solve for x
    x = 16,411,158,793.34/203,517.12
  6. Step 6: Final answer
    x = 80,637.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.