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Finding the Fourth Proportional to 148,674.69, 222,696.14 and 100,672.47

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Solution

The fourth proportional to 148,674.69, 222,696.14 and 100,672.47 is: 150,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,674.69 : 222,696.14 = 100,672.47 : x
  2. Step 2: Convert to fraction form
    148,674.69/222,696.14 = 100,672.47/x
  3. Step 3: Cross multiply
    148,674.69x = 222,696.14 × 100,672.47
  4. Step 4: Simplify right side
    148,674.69x = 22,419,369,969.90
  5. Step 5: Solve for x
    x = 22,419,369,969.90/148,674.69
  6. Step 6: Final answer
    x = 150,794.80

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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.