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Finding the Fourth Proportional to 168,112.20, 251,946.90 and 123,529.80

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Solution

The fourth proportional to 168,112.20, 251,946.90 and 123,529.80 is: 185,132.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,112.20 : 251,946.90 = 123,529.80 : x
  2. Step 2: Convert to fraction form
    168,112.20/251,946.90 = 123,529.80/x
  3. Step 3: Cross multiply
    168,112.20x = 251,946.90 × 123,529.80
  4. Step 4: Simplify right side
    168,112.20x = 31,122,950,167.62
  5. Step 5: Solve for x
    x = 31,122,950,167.62/168,112.20
  6. Step 6: Final answer
    x = 185,132.01

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