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Finding the Fourth Proportional to 192,840.88, 288,762.90 and 133,053.70

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Solution

The fourth proportional to 192,840.88, 288,762.90 and 133,053.70 is: 199,236.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,840.88 : 288,762.90 = 133,053.70 : x
  2. Step 2: Convert to fraction form
    192,840.88/288,762.90 = 133,053.70/x
  3. Step 3: Cross multiply
    192,840.88x = 288,762.90 × 133,053.70
  4. Step 4: Simplify right side
    192,840.88x = 38,420,972,267.73
  5. Step 5: Solve for x
    x = 38,420,972,267.73/192,840.88
  6. Step 6: Final answer
    x = 199,236.66

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