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Finding the Fourth Proportional to 97,410.40, 146,115.60 and 71,166.40

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Solution

The fourth proportional to 97,410.40, 146,115.60 and 71,166.40 is: 106,749.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,410.40 : 146,115.60 = 71,166.40 : x
  2. Step 2: Convert to fraction form
    97,410.40/146,115.60 = 71,166.40/x
  3. Step 3: Cross multiply
    97,410.40x = 146,115.60 × 71,166.40
  4. Step 4: Simplify right side
    97,410.40x = 10,398,521,235.84
  5. Step 5: Solve for x
    x = 10,398,521,235.84/97,410.40
  6. Step 6: Final answer
    x = 106,749.60

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