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Finding the Fourth Proportional to 192,780.56, 266,093.16 and 117,465.68

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Solution

The fourth proportional to 192,780.56, 266,093.16 and 117,465.68 is: 162,136.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,780.56 : 266,093.16 = 117,465.68 : x
  2. Step 2: Convert to fraction form
    192,780.56/266,093.16 = 117,465.68/x
  3. Step 3: Cross multiply
    192,780.56x = 266,093.16 × 117,465.68
  4. Step 4: Simplify right side
    192,780.56x = 31,256,813,982.75
  5. Step 5: Solve for x
    x = 31,256,813,982.75/192,780.56
  6. Step 6: Final answer
    x = 162,136.75

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