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Finding the Fourth Proportional to 117,616.80, 176,230.80 and 100,898.40

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Solution

The fourth proportional to 117,616.80, 176,230.80 and 100,898.40 is: 151,180.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,616.80 : 176,230.80 = 100,898.40 : x
  2. Step 2: Convert to fraction form
    117,616.80/176,230.80 = 100,898.40/x
  3. Step 3: Cross multiply
    117,616.80x = 176,230.80 × 100,898.40
  4. Step 4: Simplify right side
    117,616.80x = 17,781,405,750.72
  5. Step 5: Solve for x
    x = 17,781,405,750.72/117,616.80
  6. Step 6: Final answer
    x = 151,180.83

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