Home / 198,860.22-274,427.61-108,216.15

Finding the Fourth Proportional to 198,860.22, 274,427.61 and 108,216.15

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Solution

The fourth proportional to 198,860.22, 274,427.61 and 108,216.15 is: 149,338.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,860.22 : 274,427.61 = 108,216.15 : x
  2. Step 2: Convert to fraction form
    198,860.22/274,427.61 = 108,216.15/x
  3. Step 3: Cross multiply
    198,860.22x = 274,427.61 × 108,216.15
  4. Step 4: Simplify right side
    198,860.22x = 29,697,499,407.90
  5. Step 5: Solve for x
    x = 29,697,499,407.90/198,860.22
  6. Step 6: Final answer
    x = 149,338.56

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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.