Home / 261,770.46-361,233.18-159,966.21

Finding the Fourth Proportional to 261,770.46, 361,233.18 and 159,966.21

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Solution

The fourth proportional to 261,770.46, 361,233.18 and 159,966.21 is: 220,747.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,770.46 : 361,233.18 = 159,966.21 : x
  2. Step 2: Convert to fraction form
    261,770.46/361,233.18 = 159,966.21/x
  3. Step 3: Cross multiply
    261,770.46x = 361,233.18 × 159,966.21
  4. Step 4: Simplify right side
    261,770.46x = 57,785,102,730.85
  5. Step 5: Solve for x
    x = 57,785,102,730.85/261,770.46
  6. Step 6: Final answer
    x = 220,747.23

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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.