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Finding the Fourth Proportional to 118,369.87, 163,349.45 and 64,654.92

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Solution

The fourth proportional to 118,369.87, 163,349.45 and 64,654.92 is: 89,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,369.87 : 163,349.45 = 64,654.92 : x
  2. Step 2: Convert to fraction form
    118,369.87/163,349.45 = 64,654.92/x
  3. Step 3: Cross multiply
    118,369.87x = 163,349.45 × 64,654.92
  4. Step 4: Simplify right side
    118,369.87x = 10,561,345,621.79
  5. Step 5: Solve for x
    x = 10,561,345,621.79/118,369.87
  6. Step 6: Final answer
    x = 89,223.26

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