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Finding the Fourth Proportional to 128,300.40, 192,472.68 and 44,056.56

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Solution

The fourth proportional to 128,300.40, 192,472.68 and 44,056.56 is: 66,092.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,300.40 : 192,472.68 = 44,056.56 : x
  2. Step 2: Convert to fraction form
    128,300.40/192,472.68 = 44,056.56/x
  3. Step 3: Cross multiply
    128,300.40x = 192,472.68 × 44,056.56
  4. Step 4: Simplify right side
    128,300.40x = 8,479,684,174.78
  5. Step 5: Solve for x
    x = 8,479,684,174.78/128,300.40
  6. Step 6: Final answer
    x = 66,092.42

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