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Finding the Fourth Proportional to 148,342.73, 222,542.73 and 48,475.98

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Solution

The fourth proportional to 148,342.73, 222,542.73 and 48,475.98 is: 72,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,342.73 : 222,542.73 = 48,475.98 : x
  2. Step 2: Convert to fraction form
    148,342.73/222,542.73 = 48,475.98/x
  3. Step 3: Cross multiply
    148,342.73x = 222,542.73 × 48,475.98
  4. Step 4: Simplify right side
    148,342.73x = 10,787,976,928.63
  5. Step 5: Solve for x
    x = 10,787,976,928.63/148,342.73
  6. Step 6: Final answer
    x = 72,723.33

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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.