Home / 204,234.80-306,362.19-77,851.49

Finding the Fourth Proportional to 204,234.80, 306,362.19 and 77,851.49

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Solution

The fourth proportional to 204,234.80, 306,362.19 and 77,851.49 is: 116,781.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,234.80 : 306,362.19 = 77,851.49 : x
  2. Step 2: Convert to fraction form
    204,234.80/306,362.19 = 77,851.49/x
  3. Step 3: Cross multiply
    204,234.80x = 306,362.19 × 77,851.49
  4. Step 4: Simplify right side
    204,234.80x = 23,850,751,439.35
  5. Step 5: Solve for x
    x = 23,850,751,439.35/204,234.80
  6. Step 6: Final answer
    x = 116,781.04

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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.