Home / 148,032.46-204,287.79-80,968.78

Finding the Fourth Proportional to 148,032.46, 204,287.79 and 80,968.78

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Solution

The fourth proportional to 148,032.46, 204,287.79 and 80,968.78 is: 111,738.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,032.46 : 204,287.79 = 80,968.78 : x
  2. Step 2: Convert to fraction form
    148,032.46/204,287.79 = 80,968.78/x
  3. Step 3: Cross multiply
    148,032.46x = 204,287.79 × 80,968.78
  4. Step 4: Simplify right side
    148,032.46x = 16,540,933,125.20
  5. Step 5: Solve for x
    x = 16,540,933,125.20/148,032.46
  6. Step 6: Final answer
    x = 111,738.55

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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.