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Finding the Fourth Proportional to 88,322.40, 132,310.80 and 53,157.60

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Solution

The fourth proportional to 88,322.40, 132,310.80 and 53,157.60 is: 79,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,322.40 : 132,310.80 = 53,157.60 : x
  2. Step 2: Convert to fraction form
    88,322.40/132,310.80 = 53,157.60/x
  3. Step 3: Cross multiply
    88,322.40x = 132,310.80 × 53,157.60
  4. Step 4: Simplify right side
    88,322.40x = 7,033,324,582.08
  5. Step 5: Solve for x
    x = 7,033,324,582.08/88,322.40
  6. Step 6: Final answer
    x = 79,632.40

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