Home / 204,021.54-281,531.79-113,371.74

Finding the Fourth Proportional to 204,021.54, 281,531.79 and 113,371.74

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Solution

The fourth proportional to 204,021.54, 281,531.79 and 113,371.74 is: 156,443.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,021.54 : 281,531.79 = 113,371.74 : x
  2. Step 2: Convert to fraction form
    204,021.54/281,531.79 = 113,371.74/x
  3. Step 3: Cross multiply
    204,021.54x = 281,531.79 × 113,371.74
  4. Step 4: Simplify right side
    204,021.54x = 31,917,748,897.61
  5. Step 5: Solve for x
    x = 31,917,748,897.61/204,021.54
  6. Step 6: Final answer
    x = 156,443.03

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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.