Home / 144,423.68-199,310.10-80,761.32

Finding the Fourth Proportional to 144,423.68, 199,310.10 and 80,761.32

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Solution

The fourth proportional to 144,423.68, 199,310.10 and 80,761.32 is: 111,453.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,423.68 : 199,310.10 = 80,761.32 : x
  2. Step 2: Convert to fraction form
    144,423.68/199,310.10 = 80,761.32/x
  3. Step 3: Cross multiply
    144,423.68x = 199,310.10 × 80,761.32
  4. Step 4: Simplify right side
    144,423.68x = 16,096,546,765.33
  5. Step 5: Solve for x
    x = 16,096,546,765.33/144,423.68
  6. Step 6: Final answer
    x = 111,453.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.