Home / 196,910-271,735.92-121,502.24

Finding the Fourth Proportional to 196,910, 271,735.92 and 121,502.24

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Solution

The fourth proportional to 196,910, 271,735.92 and 121,502.24 is: 167,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,910 : 271,735.92 = 121,502.24 : x
  2. Step 2: Convert to fraction form
    196,910/271,735.92 = 121,502.24/x
  3. Step 3: Cross multiply
    196,910x = 271,735.92 × 121,502.24
  4. Step 4: Simplify right side
    196,910x = 33,016,522,968.46
  5. Step 5: Solve for x
    x = 33,016,522,968.46/196,910
  6. Step 6: Final answer
    x = 167,673.17

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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.