Home / 198,754.28-274,329.62-112,763.60

Finding the Fourth Proportional to 198,754.28, 274,329.62 and 112,763.60

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Solution

The fourth proportional to 198,754.28, 274,329.62 and 112,763.60 is: 155,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,754.28 : 274,329.62 = 112,763.60 : x
  2. Step 2: Convert to fraction form
    198,754.28/274,329.62 = 112,763.60/x
  3. Step 3: Cross multiply
    198,754.28x = 274,329.62 × 112,763.60
  4. Step 4: Simplify right side
    198,754.28x = 30,934,394,236.66
  5. Step 5: Solve for x
    x = 30,934,394,236.66/198,754.28
  6. Step 6: Final answer
    x = 155,641.40

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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.