Home / 123,382.85-170,268.38-66,794.22

Finding the Fourth Proportional to 123,382.85, 170,268.38 and 66,794.22

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Solution

The fourth proportional to 123,382.85, 170,268.38 and 66,794.22 is: 92,176.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,382.85 : 170,268.38 = 66,794.22 : x
  2. Step 2: Convert to fraction form
    123,382.85/170,268.38 = 66,794.22/x
  3. Step 3: Cross multiply
    123,382.85x = 170,268.38 × 66,794.22
  4. Step 4: Simplify right side
    123,382.85x = 11,372,943,632.76
  5. Step 5: Solve for x
    x = 11,372,943,632.76/123,382.85
  6. Step 6: Final answer
    x = 92,176.05

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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.