Home / 106,221.03-159,310.38-68,157.71

Finding the Fourth Proportional to 106,221.03, 159,310.38 and 68,157.71

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Solution

The fourth proportional to 106,221.03, 159,310.38 and 68,157.71 is: 102,222.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,221.03 : 159,310.38 = 68,157.71 : x
  2. Step 2: Convert to fraction form
    106,221.03/159,310.38 = 68,157.71/x
  3. Step 3: Cross multiply
    106,221.03x = 159,310.38 × 68,157.71
  4. Step 4: Simplify right side
    106,221.03x = 10,858,230,680.03
  5. Step 5: Solve for x
    x = 10,858,230,680.03/106,221.03
  6. Step 6: Final answer
    x = 102,222.98

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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.