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Finding the Fourth Proportional to 199,092.60, 274,752.41 and 108,453.60

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Solution

The fourth proportional to 199,092.60, 274,752.41 and 108,453.60 is: 149,668.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,092.60 : 274,752.41 = 108,453.60 : x
  2. Step 2: Convert to fraction form
    199,092.60/274,752.41 = 108,453.60/x
  3. Step 3: Cross multiply
    199,092.60x = 274,752.41 × 108,453.60
  4. Step 4: Simplify right side
    199,092.60x = 29,797,887,430.91
  5. Step 5: Solve for x
    x = 29,797,887,430.91/199,092.60
  6. Step 6: Final answer
    x = 149,668.48

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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.