Home / 268,982.16-371,180.85-148,100.64

Finding the Fourth Proportional to 268,982.16, 371,180.85 and 148,100.64

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Solution

The fourth proportional to 268,982.16, 371,180.85 and 148,100.64 is: 204,370.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,982.16 : 371,180.85 = 148,100.64 : x
  2. Step 2: Convert to fraction form
    268,982.16/371,180.85 = 148,100.64/x
  3. Step 3: Cross multiply
    268,982.16x = 371,180.85 × 148,100.64
  4. Step 4: Simplify right side
    268,982.16x = 54,972,121,440.74
  5. Step 5: Solve for x
    x = 54,972,121,440.74/268,982.16
  6. Step 6: Final answer
    x = 204,370.88

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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.