Home / 144,354.37-199,200.92-79,819.85

Finding the Fourth Proportional to 144,354.37, 199,200.92 and 79,819.85

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Solution

The fourth proportional to 144,354.37, 199,200.92 and 79,819.85 is: 110,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,354.37 : 199,200.92 = 79,819.85 : x
  2. Step 2: Convert to fraction form
    144,354.37/199,200.92 = 79,819.85/x
  3. Step 3: Cross multiply
    144,354.37x = 199,200.92 × 79,819.85
  4. Step 4: Simplify right side
    144,354.37x = 15,900,186,981.65
  5. Step 5: Solve for x
    x = 15,900,186,981.65/144,354.37
  6. Step 6: Final answer
    x = 110,146.90

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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.