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Finding the Fourth Proportional to 165,715.20, 248,605.20 and 65,858.40

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Solution

The fourth proportional to 165,715.20, 248,605.20 and 65,858.40 is: 98,800.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,715.20 : 248,605.20 = 65,858.40 : x
  2. Step 2: Convert to fraction form
    165,715.20/248,605.20 = 65,858.40/x
  3. Step 3: Cross multiply
    165,715.20x = 248,605.20 × 65,858.40
  4. Step 4: Simplify right side
    165,715.20x = 16,372,740,703.68
  5. Step 5: Solve for x
    x = 16,372,740,703.68/165,715.20
  6. Step 6: Final answer
    x = 98,800.48

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