Home / 198,680.04-274,172.46-108,036.20

Finding the Fourth Proportional to 198,680.04, 274,172.46 and 108,036.20

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Solution

The fourth proportional to 198,680.04, 274,172.46 and 108,036.20 is: 149,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,680.04 : 274,172.46 = 108,036.20 : x
  2. Step 2: Convert to fraction form
    198,680.04/274,172.46 = 108,036.20/x
  3. Step 3: Cross multiply
    198,680.04x = 274,172.46 × 108,036.20
  4. Step 4: Simplify right side
    198,680.04x = 29,620,550,723.05
  5. Step 5: Solve for x
    x = 29,620,550,723.05/198,680.04
  6. Step 6: Final answer
    x = 149,086.70

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1.5x scale

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.