Home / 203,517.54-280,817.97-122,891.04

Finding the Fourth Proportional to 203,517.54, 280,817.97 and 122,891.04

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Solution

The fourth proportional to 203,517.54, 280,817.97 and 122,891.04 is: 169,567.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,517.54 : 280,817.97 = 122,891.04 : x
  2. Step 2: Convert to fraction form
    203,517.54/280,817.97 = 122,891.04/x
  3. Step 3: Cross multiply
    203,517.54x = 280,817.97 × 122,891.04
  4. Step 4: Simplify right side
    203,517.54x = 34,510,012,383.99
  5. Step 5: Solve for x
    x = 34,510,012,383.99/203,517.54
  6. Step 6: Final answer
    x = 169,567.76

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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.