Home / 193,731.48-267,349.19-107,687.79

Finding the Fourth Proportional to 193,731.48, 267,349.19 and 107,687.79

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Solution

The fourth proportional to 193,731.48, 267,349.19 and 107,687.79 is: 148,609.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,731.48 : 267,349.19 = 107,687.79 : x
  2. Step 2: Convert to fraction form
    193,731.48/267,349.19 = 107,687.79/x
  3. Step 3: Cross multiply
    193,731.48x = 267,349.19 × 107,687.79
  4. Step 4: Simplify right side
    193,731.48x = 28,790,242,890.95
  5. Step 5: Solve for x
    x = 28,790,242,890.95/193,731.48
  6. Step 6: Final answer
    x = 148,609.01

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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.