Home / 180,328.51-270,517.38-75,122.88

Finding the Fourth Proportional to 180,328.51, 270,517.38 and 75,122.88

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Solution

The fourth proportional to 180,328.51, 270,517.38 and 75,122.88 is: 112,694.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,328.51 : 270,517.38 = 75,122.88 : x
  2. Step 2: Convert to fraction form
    180,328.51/270,517.38 = 75,122.88/x
  3. Step 3: Cross multiply
    180,328.51x = 270,517.38 × 75,122.88
  4. Step 4: Simplify right side
    180,328.51x = 20,322,044,675.65
  5. Step 5: Solve for x
    x = 20,322,044,675.65/180,328.51
  6. Step 6: Final answer
    x = 112,694.57

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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.