Home / 199,279.09-275,002.88-108,633.06

Finding the Fourth Proportional to 199,279.09, 275,002.88 and 108,633.06

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Solution

The fourth proportional to 199,279.09, 275,002.88 and 108,633.06 is: 149,912.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,279.09 : 275,002.88 = 108,633.06 : x
  2. Step 2: Convert to fraction form
    199,279.09/275,002.88 = 108,633.06/x
  3. Step 3: Cross multiply
    199,279.09x = 275,002.88 × 108,633.06
  4. Step 4: Simplify right side
    199,279.09x = 29,874,403,132.54
  5. Step 5: Solve for x
    x = 29,874,403,132.54/199,279.09
  6. Step 6: Final answer
    x = 149,912.38

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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.