Home / 212,998.43-293,952.09-122,383.73

Finding the Fourth Proportional to 212,998.43, 293,952.09 and 122,383.73

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Solution

The fourth proportional to 212,998.43, 293,952.09 and 122,383.73 is: 168,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,998.43 : 293,952.09 = 122,383.73 : x
  2. Step 2: Convert to fraction form
    212,998.43/293,952.09 = 122,383.73/x
  3. Step 3: Cross multiply
    212,998.43x = 293,952.09 × 122,383.73
  4. Step 4: Simplify right side
    212,998.43x = 35,974,951,745.74
  5. Step 5: Solve for x
    x = 35,974,951,745.74/212,998.43
  6. Step 6: Final answer
    x = 168,897.74

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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.