Home / 198,996.28-274,634.24-148,607.80

Finding the Fourth Proportional to 198,996.28, 274,634.24 and 148,607.80

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Solution

The fourth proportional to 198,996.28, 274,634.24 and 148,607.80 is: 205,093.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,996.28 : 274,634.24 = 148,607.80 : x
  2. Step 2: Convert to fraction form
    198,996.28/274,634.24 = 148,607.80/x
  3. Step 3: Cross multiply
    198,996.28x = 274,634.24 × 148,607.80
  4. Step 4: Simplify right side
    198,996.28x = 40,812,790,211.07
  5. Step 5: Solve for x
    x = 40,812,790,211.07/198,996.28
  6. Step 6: Final answer
    x = 205,093.23

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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.