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Finding the Fourth Proportional to 146,586.40, 219,879.60 and 109,261.60

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Solution

The fourth proportional to 146,586.40, 219,879.60 and 109,261.60 is: 163,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,586.40 : 219,879.60 = 109,261.60 : x
  2. Step 2: Convert to fraction form
    146,586.40/219,879.60 = 109,261.60/x
  3. Step 3: Cross multiply
    146,586.40x = 219,879.60 × 109,261.60
  4. Step 4: Simplify right side
    146,586.40x = 24,024,396,903.36
  5. Step 5: Solve for x
    x = 24,024,396,903.36/146,586.40
  6. Step 6: Final answer
    x = 163,892.40

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