Home / 203,830.32-281,276.38-113,192.03

Finding the Fourth Proportional to 203,830.32, 281,276.38 and 113,192.03

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Solution

The fourth proportional to 203,830.32, 281,276.38 and 113,192.03 is: 156,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,830.32 : 281,276.38 = 113,192.03 : x
  2. Step 2: Convert to fraction form
    203,830.32/281,276.38 = 113,192.03/x
  3. Step 3: Cross multiply
    203,830.32x = 281,276.38 × 113,192.03
  4. Step 4: Simplify right side
    203,830.32x = 31,838,245,287.93
  5. Step 5: Solve for x
    x = 31,838,245,287.93/203,830.32
  6. Step 6: Final answer
    x = 156,199.75

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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.