Home / 204,221.59-306,227.08-91,805.74

Finding the Fourth Proportional to 204,221.59, 306,227.08 and 91,805.74

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Solution

The fourth proportional to 204,221.59, 306,227.08 and 91,805.74 is: 137,661.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,221.59 : 306,227.08 = 91,805.74 : x
  2. Step 2: Convert to fraction form
    204,221.59/306,227.08 = 91,805.74/x
  3. Step 3: Cross multiply
    204,221.59x = 306,227.08 × 91,805.74
  4. Step 4: Simplify right side
    204,221.59x = 28,113,403,687.44
  5. Step 5: Solve for x
    x = 28,113,403,687.44/204,221.59
  6. Step 6: Final answer
    x = 137,661.27

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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.