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Finding the Fourth Proportional to 117,924.90, 176,856.14 and 80,478.24

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Solution

The fourth proportional to 117,924.90, 176,856.14 and 80,478.24 is: 120,696.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,924.90 : 176,856.14 = 80,478.24 : x
  2. Step 2: Convert to fraction form
    117,924.90/176,856.14 = 80,478.24/x
  3. Step 3: Cross multiply
    117,924.90x = 176,856.14 × 80,478.24
  4. Step 4: Simplify right side
    117,924.90x = 14,233,070,880.39
  5. Step 5: Solve for x
    x = 14,233,070,880.39/117,924.90
  6. Step 6: Final answer
    x = 120,696.06

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