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Finding the Fourth Proportional to 118,169.76, 163,074.77 and 64,455.92

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Solution

The fourth proportional to 118,169.76, 163,074.77 and 64,455.92 is: 88,949.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,169.76 : 163,074.77 = 64,455.92 : x
  2. Step 2: Convert to fraction form
    118,169.76/163,074.77 = 64,455.92/x
  3. Step 3: Cross multiply
    118,169.76x = 163,074.77 × 64,455.92
  4. Step 4: Simplify right side
    118,169.76x = 10,511,134,860.10
  5. Step 5: Solve for x
    x = 10,511,134,860.10/118,169.76
  6. Step 6: Final answer
    x = 88,949.45

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