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Finding the Fourth Proportional to 135,962.40, 203,943.60 and 57,230.40

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Solution

The fourth proportional to 135,962.40, 203,943.60 and 57,230.40 is: 85,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,962.40 : 203,943.60 = 57,230.40 : x
  2. Step 2: Convert to fraction form
    135,962.40/203,943.60 = 57,230.40/x
  3. Step 3: Cross multiply
    135,962.40x = 203,943.60 × 57,230.40
  4. Step 4: Simplify right side
    135,962.40x = 11,671,773,805.44
  5. Step 5: Solve for x
    x = 11,671,773,805.44/135,962.40
  6. Step 6: Final answer
    x = 85,845.60

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