Home / 165,189.15-227,997.32-108,605.79

Finding the Fourth Proportional to 165,189.15, 227,997.32 and 108,605.79

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Solution

The fourth proportional to 165,189.15, 227,997.32 and 108,605.79 is: 149,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,189.15 : 227,997.32 = 108,605.79 : x
  2. Step 2: Convert to fraction form
    165,189.15/227,997.32 = 108,605.79/x
  3. Step 3: Cross multiply
    165,189.15x = 227,997.32 × 108,605.79
  4. Step 4: Simplify right side
    165,189.15x = 24,761,828,513.45
  5. Step 5: Solve for x
    x = 24,761,828,513.45/165,189.15
  6. Step 6: Final answer
    x = 149,899.85

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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.