Home / 188,160.09-259,660.83-106,486.86

Finding the Fourth Proportional to 188,160.09, 259,660.83 and 106,486.86

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Solution

The fourth proportional to 188,160.09, 259,660.83 and 106,486.86 is: 146,951.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,160.09 : 259,660.83 = 106,486.86 : x
  2. Step 2: Convert to fraction form
    188,160.09/259,660.83 = 106,486.86/x
  3. Step 3: Cross multiply
    188,160.09x = 259,660.83 × 106,486.86
  4. Step 4: Simplify right side
    188,160.09x = 27,650,467,026.10
  5. Step 5: Solve for x
    x = 27,650,467,026.10/188,160.09
  6. Step 6: Final answer
    x = 146,951.81

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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.