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Finding the Fourth Proportional to 165,775.87, 248,674.73 and 60,668.65

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Solution

The fourth proportional to 165,775.87, 248,674.73 and 60,668.65 is: 91,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,775.87 : 248,674.73 = 60,668.65 : x
  2. Step 2: Convert to fraction form
    165,775.87/248,674.73 = 60,668.65/x
  3. Step 3: Cross multiply
    165,775.87x = 248,674.73 × 60,668.65
  4. Step 4: Simplify right side
    165,775.87x = 15,086,758,766.92
  5. Step 5: Solve for x
    x = 15,086,758,766.92/165,775.87
  6. Step 6: Final answer
    x = 91,006.97

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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.