Home / 199,626.76-275,489.10-108,986.55

Finding the Fourth Proportional to 199,626.76, 275,489.10 and 108,986.55

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Solution

The fourth proportional to 199,626.76, 275,489.10 and 108,986.55 is: 150,403.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,626.76 : 275,489.10 = 108,986.55 : x
  2. Step 2: Convert to fraction form
    199,626.76/275,489.10 = 108,986.55/x
  3. Step 3: Cross multiply
    199,626.76x = 275,489.10 × 108,986.55
  4. Step 4: Simplify right side
    199,626.76x = 30,024,605,538.52
  5. Step 5: Solve for x
    x = 30,024,605,538.52/199,626.76
  6. Step 6: Final answer
    x = 150,403.71

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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.