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Finding the Fourth Proportional to 88,256.40, 132,384.60 and 76,851.60

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Solution

The fourth proportional to 88,256.40, 132,384.60 and 76,851.60 is: 115,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,256.40 : 132,384.60 = 76,851.60 : x
  2. Step 2: Convert to fraction form
    88,256.40/132,384.60 = 76,851.60/x
  3. Step 3: Cross multiply
    88,256.40x = 132,384.60 × 76,851.60
  4. Step 4: Simplify right side
    88,256.40x = 10,173,968,325.36
  5. Step 5: Solve for x
    x = 10,173,968,325.36/88,256.40
  6. Step 6: Final answer
    x = 115,277.40

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