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Finding the Fourth Proportional to 149,086.80, 223,889.40 and 79,102.80

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Solution

The fourth proportional to 149,086.80, 223,889.40 and 79,102.80 is: 118,791.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,086.80 : 223,889.40 = 79,102.80 : x
  2. Step 2: Convert to fraction form
    149,086.80/223,889.40 = 79,102.80/x
  3. Step 3: Cross multiply
    149,086.80x = 223,889.40 × 79,102.80
  4. Step 4: Simplify right side
    149,086.80x = 17,710,278,430.32
  5. Step 5: Solve for x
    x = 17,710,278,430.32/149,086.80
  6. Step 6: Final answer
    x = 118,791.73

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