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Finding the Fourth Proportional to 118,169.50, 163,074.42 and 64,455.67

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Solution

The fourth proportional to 118,169.50, 163,074.42 and 64,455.67 is: 88,949.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,169.50 : 163,074.42 = 64,455.67 : x
  2. Step 2: Convert to fraction form
    118,169.50/163,074.42 = 64,455.67/x
  3. Step 3: Cross multiply
    118,169.50x = 163,074.42 × 64,455.67
  4. Step 4: Simplify right side
    118,169.50x = 10,511,071,912.71
  5. Step 5: Solve for x
    x = 10,511,071,912.71/118,169.50
  6. Step 6: Final answer
    x = 88,949.11

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