Home / 204,067.56-306,205.02-91,725.15

Finding the Fourth Proportional to 204,067.56, 306,205.02 and 91,725.15

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Solution

The fourth proportional to 204,067.56, 306,205.02 and 91,725.15 is: 137,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,067.56 : 306,205.02 = 91,725.15 : x
  2. Step 2: Convert to fraction form
    204,067.56/306,205.02 = 91,725.15/x
  3. Step 3: Cross multiply
    204,067.56x = 306,205.02 × 91,725.15
  4. Step 4: Simplify right side
    204,067.56x = 28,086,701,390.25
  5. Step 5: Solve for x
    x = 28,086,701,390.25/204,067.56
  6. Step 6: Final answer
    x = 137,634.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.