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Finding the Fourth Proportional to 175,040.40, 262,560.60 and 86,336.40

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Solution

The fourth proportional to 175,040.40, 262,560.60 and 86,336.40 is: 129,504.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,040.40 : 262,560.60 = 86,336.40 : x
  2. Step 2: Convert to fraction form
    175,040.40/262,560.60 = 86,336.40/x
  3. Step 3: Cross multiply
    175,040.40x = 262,560.60 × 86,336.40
  4. Step 4: Simplify right side
    175,040.40x = 22,668,536,985.84
  5. Step 5: Solve for x
    x = 22,668,536,985.84/175,040.40
  6. Step 6: Final answer
    x = 129,504.60

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