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Finding the Fourth Proportional to 175,258.40, 262,887.60 and 86,528.80

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Solution

The fourth proportional to 175,258.40, 262,887.60 and 86,528.80 is: 129,793.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,258.40 : 262,887.60 = 86,528.80 : x
  2. Step 2: Convert to fraction form
    175,258.40/262,887.60 = 86,528.80/x
  3. Step 3: Cross multiply
    175,258.40x = 262,887.60 × 86,528.80
  4. Step 4: Simplify right side
    175,258.40x = 22,747,348,562.88
  5. Step 5: Solve for x
    x = 22,747,348,562.88/175,258.40
  6. Step 6: Final answer
    x = 129,793.20

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