Home / 198,708.68-274,220.40-108,066.95

Finding the Fourth Proportional to 198,708.68, 274,220.40 and 108,066.95

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Solution

The fourth proportional to 198,708.68, 274,220.40 and 108,066.95 is: 149,133.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,708.68 : 274,220.40 = 108,066.95 : x
  2. Step 2: Convert to fraction form
    198,708.68/274,220.40 = 108,066.95/x
  3. Step 3: Cross multiply
    198,708.68x = 274,220.40 × 108,066.95
  4. Step 4: Simplify right side
    198,708.68x = 29,634,162,255.78
  5. Step 5: Solve for x
    x = 29,634,162,255.78/198,708.68
  6. Step 6: Final answer
    x = 149,133.71

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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.