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Finding the Fourth Proportional to 234,823.60, 352,235.40 and 85,135.60

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Solution

The fourth proportional to 234,823.60, 352,235.40 and 85,135.60 is: 127,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,823.60 : 352,235.40 = 85,135.60 : x
  2. Step 2: Convert to fraction form
    234,823.60/352,235.40 = 85,135.60/x
  3. Step 3: Cross multiply
    234,823.60x = 352,235.40 × 85,135.60
  4. Step 4: Simplify right side
    234,823.60x = 29,987,772,120.24
  5. Step 5: Solve for x
    x = 29,987,772,120.24/234,823.60
  6. Step 6: Final answer
    x = 127,703.40

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