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Finding the Fourth Proportional to 193,370.28, 266,851.86 and 108,481.86

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Solution

The fourth proportional to 193,370.28, 266,851.86 and 108,481.86 is: 149,705.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,370.28 : 266,851.86 = 108,481.86 : x
  2. Step 2: Convert to fraction form
    193,370.28/266,851.86 = 108,481.86/x
  3. Step 3: Cross multiply
    193,370.28x = 266,851.86 × 108,481.86
  4. Step 4: Simplify right side
    193,370.28x = 28,948,586,117.26
  5. Step 5: Solve for x
    x = 28,948,586,117.26/193,370.28
  6. Step 6: Final answer
    x = 149,705.46

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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.