Home / 119,815.12-165,350.22-68,844.35

Finding the Fourth Proportional to 119,815.12, 165,350.22 and 68,844.35

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Solution

The fourth proportional to 119,815.12, 165,350.22 and 68,844.35 is: 95,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,815.12 : 165,350.22 = 68,844.35 : x
  2. Step 2: Convert to fraction form
    119,815.12/165,350.22 = 68,844.35/x
  3. Step 3: Cross multiply
    119,815.12x = 165,350.22 × 68,844.35
  4. Step 4: Simplify right side
    119,815.12x = 11,383,428,418.26
  5. Step 5: Solve for x
    x = 11,383,428,418.26/119,815.12
  6. Step 6: Final answer
    x = 95,008.28

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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.