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Finding the Fourth Proportional to 97,712.80, 146,468.40 and 53,245.60

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Solution

The fourth proportional to 97,712.80, 146,468.40 and 53,245.60 is: 79,813.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,712.80 : 146,468.40 = 53,245.60 : x
  2. Step 2: Convert to fraction form
    97,712.80/146,468.40 = 53,245.60/x
  3. Step 3: Cross multiply
    97,712.80x = 146,468.40 × 53,245.60
  4. Step 4: Simplify right side
    97,712.80x = 7,798,797,839.04
  5. Step 5: Solve for x
    x = 7,798,797,839.04/97,712.80
  6. Step 6: Final answer
    x = 79,813.47

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