Home / 203,999.82-281,439.06-117,942.90

Finding the Fourth Proportional to 203,999.82, 281,439.06 and 117,942.90

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Solution

The fourth proportional to 203,999.82, 281,439.06 and 117,942.90 is: 162,714.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,999.82 : 281,439.06 = 117,942.90 : x
  2. Step 2: Convert to fraction form
    203,999.82/281,439.06 = 117,942.90/x
  3. Step 3: Cross multiply
    203,999.82x = 281,439.06 × 117,942.90
  4. Step 4: Simplify right side
    203,999.82x = 33,193,738,909.67
  5. Step 5: Solve for x
    x = 33,193,738,909.67/203,999.82
  6. Step 6: Final answer
    x = 162,714.55

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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.