Home / 271,106.20-406,659.30-84,117.70

Finding the Fourth Proportional to 271,106.20, 406,659.30 and 84,117.70

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Solution

The fourth proportional to 271,106.20, 406,659.30 and 84,117.70 is: 126,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,106.20 : 406,659.30 = 84,117.70 : x
  2. Step 2: Convert to fraction form
    271,106.20/406,659.30 = 84,117.70/x
  3. Step 3: Cross multiply
    271,106.20x = 406,659.30 × 84,117.70
  4. Step 4: Simplify right side
    271,106.20x = 34,207,244,999.61
  5. Step 5: Solve for x
    x = 34,207,244,999.61/271,106.20
  6. Step 6: Final answer
    x = 126,176.55

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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.