Home / 123,771.68-170,805.78-67,183.04

Finding the Fourth Proportional to 123,771.68, 170,805.78 and 67,183.04

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Solution

The fourth proportional to 123,771.68, 170,805.78 and 67,183.04 is: 92,713.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,771.68 : 170,805.78 = 67,183.04 : x
  2. Step 2: Convert to fraction form
    123,771.68/170,805.78 = 67,183.04/x
  3. Step 3: Cross multiply
    123,771.68x = 170,805.78 × 67,183.04
  4. Step 4: Simplify right side
    123,771.68x = 11,475,251,549.97
  5. Step 5: Solve for x
    x = 11,475,251,549.97/123,771.68
  6. Step 6: Final answer
    x = 92,713.06

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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.