Home / 180,326.51-270,514.38-75,120.88

Finding the Fourth Proportional to 180,326.51, 270,514.38 and 75,120.88

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Solution

The fourth proportional to 180,326.51, 270,514.38 and 75,120.88 is: 112,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,326.51 : 270,514.38 = 75,120.88 : x
  2. Step 2: Convert to fraction form
    180,326.51/270,514.38 = 75,120.88/x
  3. Step 3: Cross multiply
    180,326.51x = 270,514.38 × 75,120.88
  4. Step 4: Simplify right side
    180,326.51x = 20,321,278,278.25
  5. Step 5: Solve for x
    x = 20,321,278,278.25/180,326.51
  6. Step 6: Final answer
    x = 112,691.57

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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.