Home / 188,760.31-260,495.39-108,203.07

Finding the Fourth Proportional to 188,760.31, 260,495.39 and 108,203.07

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Solution

The fourth proportional to 188,760.31, 260,495.39 and 108,203.07 is: 149,323.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,760.31 : 260,495.39 = 108,203.07 : x
  2. Step 2: Convert to fraction form
    188,760.31/260,495.39 = 108,203.07/x
  3. Step 3: Cross multiply
    188,760.31x = 260,495.39 × 108,203.07
  4. Step 4: Simplify right side
    188,760.31x = 28,186,402,166.21
  5. Step 5: Solve for x
    x = 28,186,402,166.21/188,760.31
  6. Step 6: Final answer
    x = 149,323.78

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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.