Home / 188,819.22-260,570.52-102,778.53

Finding the Fourth Proportional to 188,819.22, 260,570.52 and 102,778.53

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Solution

The fourth proportional to 188,819.22, 260,570.52 and 102,778.53 is: 141,834.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,819.22 : 260,570.52 = 102,778.53 : x
  2. Step 2: Convert to fraction form
    188,819.22/260,570.52 = 102,778.53/x
  3. Step 3: Cross multiply
    188,819.22x = 260,570.52 × 102,778.53
  4. Step 4: Simplify right side
    188,819.22x = 26,781,055,006.94
  5. Step 5: Solve for x
    x = 26,781,055,006.94/188,819.22
  6. Step 6: Final answer
    x = 141,834.37

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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.