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Finding the Fourth Proportional to 146,734.40, 220,101.60 and 87,539.60

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Solution

The fourth proportional to 146,734.40, 220,101.60 and 87,539.60 is: 131,309.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,734.40 : 220,101.60 = 87,539.60 : x
  2. Step 2: Convert to fraction form
    146,734.40/220,101.60 = 87,539.60/x
  3. Step 3: Cross multiply
    146,734.40x = 220,101.60 × 87,539.60
  4. Step 4: Simplify right side
    146,734.40x = 19,267,606,023.36
  5. Step 5: Solve for x
    x = 19,267,606,023.36/146,734.40
  6. Step 6: Final answer
    x = 131,309.40

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