Home / 144,819.80-217,229.70-44,979.20

Finding the Fourth Proportional to 144,819.80, 217,229.70 and 44,979.20

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Solution

The fourth proportional to 144,819.80, 217,229.70 and 44,979.20 is: 67,468.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,819.80 : 217,229.70 = 44,979.20 : x
  2. Step 2: Convert to fraction form
    144,819.80/217,229.70 = 44,979.20/x
  3. Step 3: Cross multiply
    144,819.80x = 217,229.70 × 44,979.20
  4. Step 4: Simplify right side
    144,819.80x = 9,770,818,122.24
  5. Step 5: Solve for x
    x = 9,770,818,122.24/144,819.80
  6. Step 6: Final answer
    x = 67,468.80

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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.