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Finding the Fourth Proportional to 161,793.60, 242,690.40 and 82,881.60

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Solution

The fourth proportional to 161,793.60, 242,690.40 and 82,881.60 is: 124,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,793.60 : 242,690.40 = 82,881.60 : x
  2. Step 2: Convert to fraction form
    161,793.60/242,690.40 = 82,881.60/x
  3. Step 3: Cross multiply
    161,793.60x = 242,690.40 × 82,881.60
  4. Step 4: Simplify right side
    161,793.60x = 20,114,568,656.64
  5. Step 5: Solve for x
    x = 20,114,568,656.64/161,793.60
  6. Step 6: Final answer
    x = 124,322.40

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