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Finding the Fourth Proportional to 117,926.40, 176,911.20 and 47,812.80

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Solution

The fourth proportional to 117,926.40, 176,911.20 and 47,812.80 is: 71,727.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,926.40 : 176,911.20 = 47,812.80 : x
  2. Step 2: Convert to fraction form
    117,926.40/176,911.20 = 47,812.80/x
  3. Step 3: Cross multiply
    117,926.40x = 176,911.20 × 47,812.80
  4. Step 4: Simplify right side
    117,926.40x = 8,458,619,823.36
  5. Step 5: Solve for x
    x = 8,458,619,823.36/117,926.40
  6. Step 6: Final answer
    x = 71,727.96

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