Home / 198,748.40-274,270.08-108,102.40

Finding the Fourth Proportional to 198,748.40, 274,270.08 and 108,102.40

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Solution

The fourth proportional to 198,748.40, 274,270.08 and 108,102.40 is: 149,179.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,748.40 : 274,270.08 = 108,102.40 : x
  2. Step 2: Convert to fraction form
    198,748.40/274,270.08 = 108,102.40/x
  3. Step 3: Cross multiply
    198,748.40x = 274,270.08 × 108,102.40
  4. Step 4: Simplify right side
    198,748.40x = 29,649,253,896.19
  5. Step 5: Solve for x
    x = 29,649,253,896.19/198,748.40
  6. Step 6: Final answer
    x = 149,179.84

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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.