Home / 84,104.73-126,178.38-27,945.14

Finding the Fourth Proportional to 84,104.73, 126,178.38 and 27,945.14

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Solution

The fourth proportional to 84,104.73, 126,178.38 and 27,945.14 is: 41,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,104.73 : 126,178.38 = 27,945.14 : x
  2. Step 2: Convert to fraction form
    84,104.73/126,178.38 = 27,945.14/x
  3. Step 3: Cross multiply
    84,104.73x = 126,178.38 × 27,945.14
  4. Step 4: Simplify right side
    84,104.73x = 3,526,071,863.18
  5. Step 5: Solve for x
    x = 3,526,071,863.18/84,104.73
  6. Step 6: Final answer
    x = 41,924.77

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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.