Home / 204,152.21-281,739.42-113,517.48

Finding the Fourth Proportional to 204,152.21, 281,739.42 and 113,517.48

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Solution

The fourth proportional to 204,152.21, 281,739.42 and 113,517.48 is: 156,659.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,152.21 : 281,739.42 = 113,517.48 : x
  2. Step 2: Convert to fraction form
    204,152.21/281,739.42 = 113,517.48/x
  3. Step 3: Cross multiply
    204,152.21x = 281,739.42 × 113,517.48
  4. Step 4: Simplify right side
    204,152.21x = 31,982,348,975.06
  5. Step 5: Solve for x
    x = 31,982,348,975.06/204,152.21
  6. Step 6: Final answer
    x = 156,659.34

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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.