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Finding the Fourth Proportional to 95,424.80, 143,137.20 and 67,431.20

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Solution

The fourth proportional to 95,424.80, 143,137.20 and 67,431.20 is: 101,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,424.80 : 143,137.20 = 67,431.20 : x
  2. Step 2: Convert to fraction form
    95,424.80/143,137.20 = 67,431.20/x
  3. Step 3: Cross multiply
    95,424.80x = 143,137.20 × 67,431.20
  4. Step 4: Simplify right side
    95,424.80x = 9,651,913,160.64
  5. Step 5: Solve for x
    x = 9,651,913,160.64/95,424.80
  6. Step 6: Final answer
    x = 101,146.80

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