Home / 198,986.28-274,620.44-148,597.80

Finding the Fourth Proportional to 198,986.28, 274,620.44 and 148,597.80

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Solution

The fourth proportional to 198,986.28, 274,620.44 and 148,597.80 is: 205,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,986.28 : 274,620.44 = 148,597.80 : x
  2. Step 2: Convert to fraction form
    198,986.28/274,620.44 = 148,597.80/x
  3. Step 3: Cross multiply
    198,986.28x = 274,620.44 × 148,597.80
  4. Step 4: Simplify right side
    198,986.28x = 40,807,993,219.03
  5. Step 5: Solve for x
    x = 40,807,993,219.03/198,986.28
  6. Step 6: Final answer
    x = 205,079.43

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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.