Home / 148,645.26-222,940.04-68,679.90

Finding the Fourth Proportional to 148,645.26, 222,940.04 and 68,679.90

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Solution

The fourth proportional to 148,645.26, 222,940.04 and 68,679.90 is: 103,006.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,645.26 : 222,940.04 = 68,679.90 : x
  2. Step 2: Convert to fraction form
    148,645.26/222,940.04 = 68,679.90/x
  3. Step 3: Cross multiply
    148,645.26x = 222,940.04 × 68,679.90
  4. Step 4: Simplify right side
    148,645.26x = 15,311,499,309.80
  5. Step 5: Solve for x
    x = 15,311,499,309.80/148,645.26
  6. Step 6: Final answer
    x = 103,006.98

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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.