Home / 119,716.97-165,216.86-66,001.91

Finding the Fourth Proportional to 119,716.97, 165,216.86 and 66,001.91

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Solution

The fourth proportional to 119,716.97, 165,216.86 and 66,001.91 is: 91,086.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,716.97 : 165,216.86 = 66,001.91 : x
  2. Step 2: Convert to fraction form
    119,716.97/165,216.86 = 66,001.91/x
  3. Step 3: Cross multiply
    119,716.97x = 165,216.86 × 66,001.91
  4. Step 4: Simplify right side
    119,716.97x = 10,904,627,786.88
  5. Step 5: Solve for x
    x = 10,904,627,786.88/119,716.97
  6. Step 6: Final answer
    x = 91,086.73

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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.