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Finding the Fourth Proportional to 180,337.89, 270,531.42 and 75,132.25

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Solution

The fourth proportional to 180,337.89, 270,531.42 and 75,132.25 is: 112,708.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,337.89 : 270,531.42 = 75,132.25 : x
  2. Step 2: Convert to fraction form
    180,337.89/270,531.42 = 75,132.25/x
  3. Step 3: Cross multiply
    180,337.89x = 270,531.42 × 75,132.25
  4. Step 4: Simplify right side
    180,337.89x = 20,325,634,280.30
  5. Step 5: Solve for x
    x = 20,325,634,280.30/180,337.89
  6. Step 6: Final answer
    x = 112,708.62

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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.