Home / 203,850.90-281,318.03-113,215.29

Finding the Fourth Proportional to 203,850.90, 281,318.03 and 113,215.29

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Solution

The fourth proportional to 203,850.90, 281,318.03 and 113,215.29 is: 156,239.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,850.90 : 281,318.03 = 113,215.29 : x
  2. Step 2: Convert to fraction form
    203,850.90/281,318.03 = 113,215.29/x
  3. Step 3: Cross multiply
    203,850.90x = 281,318.03 × 113,215.29
  4. Step 4: Simplify right side
    203,850.90x = 31,849,501,782.60
  5. Step 5: Solve for x
    x = 31,849,501,782.60/203,850.90
  6. Step 6: Final answer
    x = 156,239.20

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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.