Home / 261,968.30-392,952.45-84,481.10

Finding the Fourth Proportional to 261,968.30, 392,952.45 and 84,481.10

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Solution

The fourth proportional to 261,968.30, 392,952.45 and 84,481.10 is: 126,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,968.30 : 392,952.45 = 84,481.10 : x
  2. Step 2: Convert to fraction form
    261,968.30/392,952.45 = 84,481.10/x
  3. Step 3: Cross multiply
    261,968.30x = 392,952.45 × 84,481.10
  4. Step 4: Simplify right side
    261,968.30x = 33,197,055,223.70
  5. Step 5: Solve for x
    x = 33,197,055,223.70/261,968.30
  6. Step 6: Final answer
    x = 126,721.65

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1.5x scale

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.