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Finding the Fourth Proportional to 98,566.80, 147,850.20 and 82,820.40

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Solution

The fourth proportional to 98,566.80, 147,850.20 and 82,820.40 is: 124,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,566.80 : 147,850.20 = 82,820.40 : x
  2. Step 2: Convert to fraction form
    98,566.80/147,850.20 = 82,820.40/x
  3. Step 3: Cross multiply
    98,566.80x = 147,850.20 × 82,820.40
  4. Step 4: Simplify right side
    98,566.80x = 12,245,012,704.08
  5. Step 5: Solve for x
    x = 12,245,012,704.08/98,566.80
  6. Step 6: Final answer
    x = 124,230.60

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