Home / 68,869.80-103,294.89-22,116.60

Finding the Fourth Proportional to 68,869.80, 103,294.89 and 22,116.60

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Solution

The fourth proportional to 68,869.80, 103,294.89 and 22,116.60 is: 33,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,869.80 : 103,294.89 = 22,116.60 : x
  2. Step 2: Convert to fraction form
    68,869.80/103,294.89 = 22,116.60/x
  3. Step 3: Cross multiply
    68,869.80x = 103,294.89 × 22,116.60
  4. Step 4: Simplify right side
    68,869.80x = 2,284,531,764.17
  5. Step 5: Solve for x
    x = 2,284,531,764.17/68,869.80
  6. Step 6: Final answer
    x = 33,171.75

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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.