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Finding the Fourth Proportional to 97,446.80, 146,170.20 and 89,843.60

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Solution

The fourth proportional to 97,446.80, 146,170.20 and 89,843.60 is: 134,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,446.80 : 146,170.20 = 89,843.60 : x
  2. Step 2: Convert to fraction form
    97,446.80/146,170.20 = 89,843.60/x
  3. Step 3: Cross multiply
    97,446.80x = 146,170.20 × 89,843.60
  4. Step 4: Simplify right side
    97,446.80x = 13,132,456,980.72
  5. Step 5: Solve for x
    x = 13,132,456,980.72/97,446.80
  6. Step 6: Final answer
    x = 134,765.40

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