Home / 204,385.53-281,759.72-143,768.04

Finding the Fourth Proportional to 204,385.53, 281,759.72 and 143,768.04

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Solution

The fourth proportional to 204,385.53, 281,759.72 and 143,768.04 is: 198,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,385.53 : 281,759.72 = 143,768.04 : x
  2. Step 2: Convert to fraction form
    204,385.53/281,759.72 = 143,768.04/x
  3. Step 3: Cross multiply
    204,385.53x = 281,759.72 × 143,768.04
  4. Step 4: Simplify right side
    204,385.53x = 40,508,043,717.85
  5. Step 5: Solve for x
    x = 40,508,043,717.85/204,385.53
  6. Step 6: Final answer
    x = 198,194.28

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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.