Home / 204,033.90-281,561.16-113,387.58

Finding the Fourth Proportional to 204,033.90, 281,561.16 and 113,387.58

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Solution

The fourth proportional to 204,033.90, 281,561.16 and 113,387.58 is: 156,471.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,033.90 : 281,561.16 = 113,387.58 : x
  2. Step 2: Convert to fraction form
    204,033.90/281,561.16 = 113,387.58/x
  3. Step 3: Cross multiply
    204,033.90x = 281,561.16 × 113,387.58
  4. Step 4: Simplify right side
    204,033.90x = 31,925,538,979.60
  5. Step 5: Solve for x
    x = 31,925,538,979.60/204,033.90
  6. Step 6: Final answer
    x = 156,471.74

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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.