Home / 68,828.36-103,230.17-18,227.70

Finding the Fourth Proportional to 68,828.36, 103,230.17 and 18,227.70

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Solution

The fourth proportional to 68,828.36, 103,230.17 and 18,227.70 is: 27,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.36 : 103,230.17 = 18,227.70 : x
  2. Step 2: Convert to fraction form
    68,828.36/103,230.17 = 18,227.70/x
  3. Step 3: Cross multiply
    68,828.36x = 103,230.17 × 18,227.70
  4. Step 4: Simplify right side
    68,828.36x = 1,881,648,478.57
  5. Step 5: Solve for x
    x = 1,881,648,478.57/68,828.36
  6. Step 6: Final answer
    x = 27,338.27

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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.