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Finding the Fourth Proportional to 192,479.55, 288,719.46 and 103,774.83

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Solution

The fourth proportional to 192,479.55, 288,719.46 and 103,774.83 is: 155,662.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,479.55 : 288,719.46 = 103,774.83 : x
  2. Step 2: Convert to fraction form
    192,479.55/288,719.46 = 103,774.83/x
  3. Step 3: Cross multiply
    192,479.55x = 288,719.46 × 103,774.83
  4. Step 4: Simplify right side
    192,479.55x = 29,961,812,879.19
  5. Step 5: Solve for x
    x = 29,961,812,879.19/192,479.55
  6. Step 6: Final answer
    x = 155,662.32

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