Home / 195,214.05-292,819.05-100,470.78

Finding the Fourth Proportional to 195,214.05, 292,819.05 and 100,470.78

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Solution

The fourth proportional to 195,214.05, 292,819.05 and 100,470.78 is: 150,705.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,214.05 : 292,819.05 = 100,470.78 : x
  2. Step 2: Convert to fraction form
    195,214.05/292,819.05 = 100,470.78/x
  3. Step 3: Cross multiply
    195,214.05x = 292,819.05 × 100,470.78
  4. Step 4: Simplify right side
    195,214.05x = 29,419,758,352.36
  5. Step 5: Solve for x
    x = 29,419,758,352.36/195,214.05
  6. Step 6: Final answer
    x = 150,705.13

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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.