Home / 68,834-103,238.64-18,233.36

Finding the Fourth Proportional to 68,834, 103,238.64 and 18,233.36

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Solution

The fourth proportional to 68,834, 103,238.64 and 18,233.36 is: 27,346.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,834 : 103,238.64 = 18,233.36 : x
  2. Step 2: Convert to fraction form
    68,834/103,238.64 = 18,233.36/x
  3. Step 3: Cross multiply
    68,834x = 103,238.64 × 18,233.36
  4. Step 4: Simplify right side
    68,834x = 1,882,387,289.03
  5. Step 5: Solve for x
    x = 1,882,387,289.03/68,834
  6. Step 6: Final answer
    x = 27,346.77

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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.