Home / 119,842.25-165,387.57-68,871.38

Finding the Fourth Proportional to 119,842.25, 165,387.57 and 68,871.38

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Solution

The fourth proportional to 119,842.25, 165,387.57 and 68,871.38 is: 95,045.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,842.25 : 165,387.57 = 68,871.38 : x
  2. Step 2: Convert to fraction form
    119,842.25/165,387.57 = 68,871.38/x
  3. Step 3: Cross multiply
    119,842.25x = 165,387.57 × 68,871.38
  4. Step 4: Simplify right side
    119,842.25x = 11,390,470,180.75
  5. Step 5: Solve for x
    x = 11,390,470,180.75/119,842.25
  6. Step 6: Final answer
    x = 95,045.53

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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.