Home / 203,884.64-305,531.24-114,948.40

Finding the Fourth Proportional to 203,884.64, 305,531.24 and 114,948.40

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Solution

The fourth proportional to 203,884.64, 305,531.24 and 114,948.40 is: 172,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,884.64 : 305,531.24 = 114,948.40 : x
  2. Step 2: Convert to fraction form
    203,884.64/305,531.24 = 114,948.40/x
  3. Step 3: Cross multiply
    203,884.64x = 305,531.24 × 114,948.40
  4. Step 4: Simplify right side
    203,884.64x = 35,120,327,188.02
  5. Step 5: Solve for x
    x = 35,120,327,188.02/203,884.64
  6. Step 6: Final answer
    x = 172,255.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.