Home / 199,868.82-275,818.68-109,225.62

Finding the Fourth Proportional to 199,868.82, 275,818.68 and 109,225.62

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Solution

The fourth proportional to 199,868.82, 275,818.68 and 109,225.62 is: 150,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,868.82 : 275,818.68 = 109,225.62 : x
  2. Step 2: Convert to fraction form
    199,868.82/275,818.68 = 109,225.62/x
  3. Step 3: Cross multiply
    199,868.82x = 275,818.68 × 109,225.62
  4. Step 4: Simplify right side
    199,868.82x = 30,126,466,330.58
  5. Step 5: Solve for x
    x = 30,126,466,330.58/199,868.82
  6. Step 6: Final answer
    x = 150,731.20

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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.