Home / 203,824.80-281,080.26-158,422.68

Finding the Fourth Proportional to 203,824.80, 281,080.26 and 158,422.68

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Solution

The fourth proportional to 203,824.80, 281,080.26 and 158,422.68 is: 218,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,824.80 : 281,080.26 = 158,422.68 : x
  2. Step 2: Convert to fraction form
    203,824.80/281,080.26 = 158,422.68/x
  3. Step 3: Cross multiply
    203,824.80x = 281,080.26 × 158,422.68
  4. Step 4: Simplify right side
    203,824.80x = 44,529,488,084.30
  5. Step 5: Solve for x
    x = 44,529,488,084.30/203,824.80
  6. Step 6: Final answer
    x = 218,469.43

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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.