Home / 204,115.73-306,189.05-54,355.41

Finding the Fourth Proportional to 204,115.73, 306,189.05 and 54,355.41

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Solution

The fourth proportional to 204,115.73, 306,189.05 and 54,355.41 is: 81,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,115.73 : 306,189.05 = 54,355.41 : x
  2. Step 2: Convert to fraction form
    204,115.73/306,189.05 = 54,355.41/x
  3. Step 3: Cross multiply
    204,115.73x = 306,189.05 × 54,355.41
  4. Step 4: Simplify right side
    204,115.73x = 16,643,031,078.48
  5. Step 5: Solve for x
    x = 16,643,031,078.48/204,115.73
  6. Step 6: Final answer
    x = 81,537.23

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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.