Home / 208,891.26-313,306.83-66,752.73

Finding the Fourth Proportional to 208,891.26, 313,306.83 and 66,752.73

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Solution

The fourth proportional to 208,891.26, 313,306.83 and 66,752.73 is: 100,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,891.26 : 313,306.83 = 66,752.73 : x
  2. Step 2: Convert to fraction form
    208,891.26/313,306.83 = 66,752.73/x
  3. Step 3: Cross multiply
    208,891.26x = 313,306.83 × 66,752.73
  4. Step 4: Simplify right side
    208,891.26x = 20,914,086,230.15
  5. Step 5: Solve for x
    x = 20,914,086,230.15/208,891.26
  6. Step 6: Final answer
    x = 100,119.49

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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.