Home / 203,835.82-281,283.96-113,197.54

Finding the Fourth Proportional to 203,835.82, 281,283.96 and 113,197.54

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Solution

The fourth proportional to 203,835.82, 281,283.96 and 113,197.54 is: 156,207.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,835.82 : 281,283.96 = 113,197.54 : x
  2. Step 2: Convert to fraction form
    203,835.82/281,283.96 = 113,197.54/x
  3. Step 3: Cross multiply
    203,835.82x = 281,283.96 × 113,197.54
  4. Step 4: Simplify right side
    203,835.82x = 31,840,652,313.46
  5. Step 5: Solve for x
    x = 31,840,652,313.46/203,835.82
  6. Step 6: Final answer
    x = 156,207.35

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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.