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Finding the Fourth Proportional to 148,912.40, 223,368.60 and 131,999.60

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Solution

The fourth proportional to 148,912.40, 223,368.60 and 131,999.60 is: 197,999.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,912.40 : 223,368.60 = 131,999.60 : x
  2. Step 2: Convert to fraction form
    148,912.40/223,368.60 = 131,999.60/x
  3. Step 3: Cross multiply
    148,912.40x = 223,368.60 × 131,999.60
  4. Step 4: Simplify right side
    148,912.40x = 29,484,565,852.56
  5. Step 5: Solve for x
    x = 29,484,565,852.56/148,912.40
  6. Step 6: Final answer
    x = 197,999.40

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