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Finding the Fourth Proportional to 117,781.20, 176,556.60 and 47,566.80

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Solution

The fourth proportional to 117,781.20, 176,556.60 and 47,566.80 is: 71,303.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,781.20 : 176,556.60 = 47,566.80 : x
  2. Step 2: Convert to fraction form
    117,781.20/176,556.60 = 47,566.80/x
  3. Step 3: Cross multiply
    117,781.20x = 176,556.60 × 47,566.80
  4. Step 4: Simplify right side
    117,781.20x = 8,398,232,480.88
  5. Step 5: Solve for x
    x = 8,398,232,480.88/117,781.20
  6. Step 6: Final answer
    x = 71,303.68

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