Home / 203,930.23-281,468.64-113,317.29

Finding the Fourth Proportional to 203,930.23, 281,468.64 and 113,317.29

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Solution

The fourth proportional to 203,930.23, 281,468.64 and 113,317.29 is: 156,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,930.23 : 281,468.64 = 113,317.29 : x
  2. Step 2: Convert to fraction form
    203,930.23/281,468.64 = 113,317.29/x
  3. Step 3: Cross multiply
    203,930.23x = 281,468.64 × 113,317.29
  4. Step 4: Simplify right side
    203,930.23x = 31,895,263,504.79
  5. Step 5: Solve for x
    x = 31,895,263,504.79/203,930.23
  6. Step 6: Final answer
    x = 156,402.82

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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.