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Finding the Fourth Proportional to 326,196.60, 488,906.10 and 136,656.60

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Solution

The fourth proportional to 326,196.60, 488,906.10 and 136,656.60 is: 204,822.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,196.60 : 488,906.10 = 136,656.60 : x
  2. Step 2: Convert to fraction form
    326,196.60/488,906.10 = 136,656.60/x
  3. Step 3: Cross multiply
    326,196.60x = 488,906.10 × 136,656.60
  4. Step 4: Simplify right side
    326,196.60x = 66,812,245,345.26
  5. Step 5: Solve for x
    x = 66,812,245,345.26/326,196.60
  6. Step 6: Final answer
    x = 204,822.02

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