Home / 204,140.54-281,723.29-113,505.79

Finding the Fourth Proportional to 204,140.54, 281,723.29 and 113,505.79

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Solution

The fourth proportional to 204,140.54, 281,723.29 and 113,505.79 is: 156,643.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,140.54 : 281,723.29 = 113,505.79 : x
  2. Step 2: Convert to fraction form
    204,140.54/281,723.29 = 113,505.79/x
  3. Step 3: Cross multiply
    204,140.54x = 281,723.29 × 113,505.79
  4. Step 4: Simplify right side
    204,140.54x = 31,977,224,592.85
  5. Step 5: Solve for x
    x = 31,977,224,592.85/204,140.54
  6. Step 6: Final answer
    x = 156,643.19

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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.