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Finding the Fourth Proportional to 88,238.40, 132,163.20 and 53,116.80

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Solution

The fourth proportional to 88,238.40, 132,163.20 and 53,116.80 is: 79,558.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,238.40 : 132,163.20 = 53,116.80 : x
  2. Step 2: Convert to fraction form
    88,238.40/132,163.20 = 53,116.80/x
  3. Step 3: Cross multiply
    88,238.40x = 132,163.20 × 53,116.80
  4. Step 4: Simplify right side
    88,238.40x = 7,020,086,261.76
  5. Step 5: Solve for x
    x = 7,020,086,261.76/88,238.40
  6. Step 6: Final answer
    x = 79,558.18

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