Home / 199,545.27-275,373.30-108,903.15

Finding the Fourth Proportional to 199,545.27, 275,373.30 and 108,903.15

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Solution

The fourth proportional to 199,545.27, 275,373.30 and 108,903.15 is: 150,286.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,545.27 : 275,373.30 = 108,903.15 : x
  2. Step 2: Convert to fraction form
    199,545.27/275,373.30 = 108,903.15/x
  3. Step 3: Cross multiply
    199,545.27x = 275,373.30 × 108,903.15
  4. Step 4: Simplify right side
    199,545.27x = 29,989,019,795.90
  5. Step 5: Solve for x
    x = 29,989,019,795.90/199,545.27
  6. Step 6: Final answer
    x = 150,286.80

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1.5x scale

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.