Home / 198,850.95-274,417.20-108,209.52

Finding the Fourth Proportional to 198,850.95, 274,417.20 and 108,209.52

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Solution

The fourth proportional to 198,850.95, 274,417.20 and 108,209.52 is: 149,330.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,850.95 : 274,417.20 = 108,209.52 : x
  2. Step 2: Convert to fraction form
    198,850.95/274,417.20 = 108,209.52/x
  3. Step 3: Cross multiply
    198,850.95x = 274,417.20 × 108,209.52
  4. Step 4: Simplify right side
    198,850.95x = 29,694,553,491.74
  5. Step 5: Solve for x
    x = 29,694,553,491.74/198,850.95
  6. Step 6: Final answer
    x = 149,330.71

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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.