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Finding the Fourth Proportional to 148,744.70, 222,469.05 and 133,063.10

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Solution

The fourth proportional to 148,744.70, 222,469.05 and 133,063.10 is: 199,014.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,744.70 : 222,469.05 = 133,063.10 : x
  2. Step 2: Convert to fraction form
    148,744.70/222,469.05 = 133,063.10/x
  3. Step 3: Cross multiply
    148,744.70x = 222,469.05 × 133,063.10
  4. Step 4: Simplify right side
    148,744.70x = 29,602,421,447.06
  5. Step 5: Solve for x
    x = 29,602,421,447.06/148,744.70
  6. Step 6: Final answer
    x = 199,014.97

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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.