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Finding the Fourth Proportional to 231,813.60, 347,950.80 and 113,618.40

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Solution

The fourth proportional to 231,813.60, 347,950.80 and 113,618.40 is: 170,540.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,813.60 : 347,950.80 = 113,618.40 : x
  2. Step 2: Convert to fraction form
    231,813.60/347,950.80 = 113,618.40/x
  3. Step 3: Cross multiply
    231,813.60x = 347,950.80 × 113,618.40
  4. Step 4: Simplify right side
    231,813.60x = 39,533,613,174.72
  5. Step 5: Solve for x
    x = 39,533,613,174.72/231,813.60
  6. Step 6: Final answer
    x = 170,540.53

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