Home / 148,861.62-223,317-68,979.42

Finding the Fourth Proportional to 148,861.62, 223,317 and 68,979.42

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Solution

The fourth proportional to 148,861.62, 223,317 and 68,979.42 is: 103,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,861.62 : 223,317 = 68,979.42 : x
  2. Step 2: Convert to fraction form
    148,861.62/223,317 = 68,979.42/x
  3. Step 3: Cross multiply
    148,861.62x = 223,317 × 68,979.42
  4. Step 4: Simplify right side
    148,861.62x = 15,404,277,136.14
  5. Step 5: Solve for x
    x = 15,404,277,136.14/148,861.62
  6. Step 6: Final answer
    x = 103,480.52

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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.