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Finding the Fourth Proportional to 180,140.80, 270,119.48 and 60,154.61

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Solution

The fourth proportional to 180,140.80, 270,119.48 and 60,154.61 is: 90,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,140.80 : 270,119.48 = 60,154.61 : x
  2. Step 2: Convert to fraction form
    180,140.80/270,119.48 = 60,154.61/x
  3. Step 3: Cross multiply
    180,140.80x = 270,119.48 × 60,154.61
  4. Step 4: Simplify right side
    180,140.80x = 16,248,931,972.80
  5. Step 5: Solve for x
    x = 16,248,931,972.80/180,140.80
  6. Step 6: Final answer
    x = 90,201.29

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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.