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Finding the Fourth Proportional to 180,139.68, 270,178.80 and 60,183.04

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Solution

The fourth proportional to 180,139.68, 270,178.80 and 60,183.04 is: 90,264.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,139.68 : 270,178.80 = 60,183.04 : x
  2. Step 2: Convert to fraction form
    180,139.68/270,178.80 = 60,183.04/x
  3. Step 3: Cross multiply
    180,139.68x = 270,178.80 × 60,183.04
  4. Step 4: Simplify right side
    180,139.68x = 16,260,181,527.55
  5. Step 5: Solve for x
    x = 16,260,181,527.55/180,139.68
  6. Step 6: Final answer
    x = 90,264.30

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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.