Home / 131,249.21-196,914.51-55,387.04

Finding the Fourth Proportional to 131,249.21, 196,914.51 and 55,387.04

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Solution

The fourth proportional to 131,249.21, 196,914.51 and 55,387.04 is: 83,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,249.21 : 196,914.51 = 55,387.04 : x
  2. Step 2: Convert to fraction form
    131,249.21/196,914.51 = 55,387.04/x
  3. Step 3: Cross multiply
    131,249.21x = 196,914.51 × 55,387.04
  4. Step 4: Simplify right side
    131,249.21x = 10,906,510,857.38
  5. Step 5: Solve for x
    x = 10,906,510,857.38/131,249.21
  6. Step 6: Final answer
    x = 83,097.73

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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.