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Finding the Fourth Proportional to 118,375.13, 163,356.70 and 64,660.16

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Solution

The fourth proportional to 118,375.13, 163,356.70 and 64,660.16 is: 89,230.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,375.13 : 163,356.70 = 64,660.16 : x
  2. Step 2: Convert to fraction form
    118,375.13/163,356.70 = 64,660.16/x
  3. Step 3: Cross multiply
    118,375.13x = 163,356.70 × 64,660.16
  4. Step 4: Simplify right side
    118,375.13x = 10,562,670,359.07
  5. Step 5: Solve for x
    x = 10,562,670,359.07/118,375.13
  6. Step 6: Final answer
    x = 89,230.49

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