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Finding the Fourth Proportional to 109,054.80, 163,582.20 and 82,810.80

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Solution

The fourth proportional to 109,054.80, 163,582.20 and 82,810.80 is: 124,216.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,054.80 : 163,582.20 = 82,810.80 : x
  2. Step 2: Convert to fraction form
    109,054.80/163,582.20 = 82,810.80/x
  3. Step 3: Cross multiply
    109,054.80x = 163,582.20 × 82,810.80
  4. Step 4: Simplify right side
    109,054.80x = 13,546,372,847.76
  5. Step 5: Solve for x
    x = 13,546,372,847.76/109,054.80
  6. Step 6: Final answer
    x = 124,216.20

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