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Finding the Fourth Proportional to 88,977.80, 133,466.70 and 88,459.40

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Solution

The fourth proportional to 88,977.80, 133,466.70 and 88,459.40 is: 132,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,977.80 : 133,466.70 = 88,459.40 : x
  2. Step 2: Convert to fraction form
    88,977.80/133,466.70 = 88,459.40/x
  3. Step 3: Cross multiply
    88,977.80x = 133,466.70 × 88,459.40
  4. Step 4: Simplify right side
    88,977.80x = 11,806,384,201.98
  5. Step 5: Solve for x
    x = 11,806,384,201.98/88,977.80
  6. Step 6: Final answer
    x = 132,689.10

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