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Finding the Fourth Proportional to 118,806.99, 178,489.17 and 112,081.83

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Solution

The fourth proportional to 118,806.99, 178,489.17 and 112,081.83 is: 168,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,806.99 : 178,489.17 = 112,081.83 : x
  2. Step 2: Convert to fraction form
    118,806.99/178,489.17 = 112,081.83/x
  3. Step 3: Cross multiply
    118,806.99x = 178,489.17 × 112,081.83
  4. Step 4: Simplify right side
    118,806.99x = 20,005,392,808.78
  5. Step 5: Solve for x
    x = 20,005,392,808.78/118,806.99
  6. Step 6: Final answer
    x = 168,385.65

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