Home / 261,786.84-361,255.92-159,982.56

Finding the Fourth Proportional to 261,786.84, 361,255.92 and 159,982.56

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Solution

The fourth proportional to 261,786.84, 361,255.92 and 159,982.56 is: 220,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,786.84 : 361,255.92 = 159,982.56 : x
  2. Step 2: Convert to fraction form
    261,786.84/361,255.92 = 159,982.56/x
  3. Step 3: Cross multiply
    261,786.84x = 361,255.92 × 159,982.56
  4. Step 4: Simplify right side
    261,786.84x = 57,794,646,896.76
  5. Step 5: Solve for x
    x = 57,794,646,896.76/261,786.84
  6. Step 6: Final answer
    x = 220,769.87

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1.5x scale

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.