Home / 180,328.83-270,517.85-75,123.20

Finding the Fourth Proportional to 180,328.83, 270,517.85 and 75,123.20

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Solution

The fourth proportional to 180,328.83, 270,517.85 and 75,123.20 is: 112,695.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,328.83 : 270,517.85 = 75,123.20 : x
  2. Step 2: Convert to fraction form
    180,328.83/270,517.85 = 75,123.20/x
  3. Step 3: Cross multiply
    180,328.83x = 270,517.85 × 75,123.20
  4. Step 4: Simplify right side
    180,328.83x = 20,322,164,820.91
  5. Step 5: Solve for x
    x = 20,322,164,820.91/180,328.83
  6. Step 6: Final answer
    x = 112,695.04

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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.