Home / 198,904.28-274,487.94-109,480.28

Finding the Fourth Proportional to 198,904.28, 274,487.94 and 109,480.28

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Solution

The fourth proportional to 198,904.28, 274,487.94 and 109,480.28 is: 151,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,904.28 : 274,487.94 = 109,480.28 : x
  2. Step 2: Convert to fraction form
    198,904.28/274,487.94 = 109,480.28/x
  3. Step 3: Cross multiply
    198,904.28x = 274,487.94 × 109,480.28
  4. Step 4: Simplify right side
    198,904.28x = 30,051,016,527.82
  5. Step 5: Solve for x
    x = 30,051,016,527.82/198,904.28
  6. Step 6: Final answer
    x = 151,082.80

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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.