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Finding the Fourth Proportional to 88,694.60, 133,041.90 and 82,819.40

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Solution

The fourth proportional to 88,694.60, 133,041.90 and 82,819.40 is: 124,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,694.60 : 133,041.90 = 82,819.40 : x
  2. Step 2: Convert to fraction form
    88,694.60/133,041.90 = 82,819.40/x
  3. Step 3: Cross multiply
    88,694.60x = 133,041.90 × 82,819.40
  4. Step 4: Simplify right side
    88,694.60x = 11,018,450,332.86
  5. Step 5: Solve for x
    x = 11,018,450,332.86/88,694.60
  6. Step 6: Final answer
    x = 124,229.10

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