Home / 204,219.75-281,527.82-135,193.55

Finding the Fourth Proportional to 204,219.75, 281,527.82 and 135,193.55

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Solution

The fourth proportional to 204,219.75, 281,527.82 and 135,193.55 is: 186,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,219.75 : 281,527.82 = 135,193.55 : x
  2. Step 2: Convert to fraction form
    204,219.75/281,527.82 = 135,193.55/x
  3. Step 3: Cross multiply
    204,219.75x = 281,527.82 × 135,193.55
  4. Step 4: Simplify right side
    204,219.75x = 38,060,743,325.95
  5. Step 5: Solve for x
    x = 38,060,743,325.95/204,219.75
  6. Step 6: Final answer
    x = 186,371.51

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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.