Home / 198,867.01-274,437.03-108,222.88

Finding the Fourth Proportional to 198,867.01, 274,437.03 and 108,222.88

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Solution

The fourth proportional to 198,867.01, 274,437.03 and 108,222.88 is: 149,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,867.01 : 274,437.03 = 108,222.88 : x
  2. Step 2: Convert to fraction form
    198,867.01/274,437.03 = 108,222.88/x
  3. Step 3: Cross multiply
    198,867.01x = 274,437.03 × 108,222.88
  4. Step 4: Simplify right side
    198,867.01x = 29,700,365,765.25
  5. Step 5: Solve for x
    x = 29,700,365,765.25/198,867.01
  6. Step 6: Final answer
    x = 149,347.88

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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.