Home / 200,517.28-276,701.92-109,855.20

Finding the Fourth Proportional to 200,517.28, 276,701.92 and 109,855.20

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Solution

The fourth proportional to 200,517.28, 276,701.92 and 109,855.20 is: 151,593.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,517.28 : 276,701.92 = 109,855.20 : x
  2. Step 2: Convert to fraction form
    200,517.28/276,701.92 = 109,855.20/x
  3. Step 3: Cross multiply
    200,517.28x = 276,701.92 × 109,855.20
  4. Step 4: Simplify right side
    200,517.28x = 30,397,144,761.98
  5. Step 5: Solve for x
    x = 30,397,144,761.98/200,517.28
  6. Step 6: Final answer
    x = 151,593.64

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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.