Home / 119,917.29-165,481.51-66,201.16

Finding the Fourth Proportional to 119,917.29, 165,481.51 and 66,201.16

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Solution

The fourth proportional to 119,917.29, 165,481.51 and 66,201.16 is: 91,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,917.29 : 165,481.51 = 66,201.16 : x
  2. Step 2: Convert to fraction form
    119,917.29/165,481.51 = 66,201.16/x
  3. Step 3: Cross multiply
    119,917.29x = 165,481.51 × 66,201.16
  4. Step 4: Simplify right side
    119,917.29x = 10,955,067,920.55
  5. Step 5: Solve for x
    x = 10,955,067,920.55/119,917.29
  6. Step 6: Final answer
    x = 91,355.20

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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.