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Finding the Fourth Proportional to 175,231.60, 262,847.40 and 81,746.80

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Solution

The fourth proportional to 175,231.60, 262,847.40 and 81,746.80 is: 122,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,231.60 : 262,847.40 = 81,746.80 : x
  2. Step 2: Convert to fraction form
    175,231.60/262,847.40 = 81,746.80/x
  3. Step 3: Cross multiply
    175,231.60x = 262,847.40 × 81,746.80
  4. Step 4: Simplify right side
    175,231.60x = 21,486,933,838.32
  5. Step 5: Solve for x
    x = 21,486,933,838.32/175,231.60
  6. Step 6: Final answer
    x = 122,620.20

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