Home / 188,789.15-260,463.27-107,107.77

Finding the Fourth Proportional to 188,789.15, 260,463.27 and 107,107.77

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Solution

The fourth proportional to 188,789.15, 260,463.27 and 107,107.77 is: 147,771.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,789.15 : 260,463.27 = 107,107.77 : x
  2. Step 2: Convert to fraction form
    188,789.15/260,463.27 = 107,107.77/x
  3. Step 3: Cross multiply
    188,789.15x = 260,463.27 × 107,107.77
  4. Step 4: Simplify right side
    188,789.15x = 27,897,640,016.61
  5. Step 5: Solve for x
    x = 27,897,640,016.61/188,789.15
  6. Step 6: Final answer
    x = 147,771.42

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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.