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Finding the Fourth Proportional to 95,166.96, 142,751.45 and 38,992.65

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Solution

The fourth proportional to 95,166.96, 142,751.45 and 38,992.65 is: 58,489.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,166.96 : 142,751.45 = 38,992.65 : x
  2. Step 2: Convert to fraction form
    95,166.96/142,751.45 = 38,992.65/x
  3. Step 3: Cross multiply
    95,166.96x = 142,751.45 × 38,992.65
  4. Step 4: Simplify right side
    95,166.96x = 5,566,257,326.84
  5. Step 5: Solve for x
    x = 5,566,257,326.84/95,166.96
  6. Step 6: Final answer
    x = 58,489.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.