Home / 68,828.34-103,230.17-18,227.69

Finding the Fourth Proportional to 68,828.34, 103,230.17 and 18,227.69

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Solution

The fourth proportional to 68,828.34, 103,230.17 and 18,227.69 is: 27,338.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.34 : 103,230.17 = 18,227.69 : x
  2. Step 2: Convert to fraction form
    68,828.34/103,230.17 = 18,227.69/x
  3. Step 3: Cross multiply
    68,828.34x = 103,230.17 × 18,227.69
  4. Step 4: Simplify right side
    68,828.34x = 1,881,646,930.12
  5. Step 5: Solve for x
    x = 1,881,646,930.12/68,828.34
  6. Step 6: Final answer
    x = 27,338.26

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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.