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Finding the Fourth Proportional to 118,379.02, 163,356.80 and 64,663.26

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Solution

The fourth proportional to 118,379.02, 163,356.80 and 64,663.26 is: 89,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,379.02 : 163,356.80 = 64,663.26 : x
  2. Step 2: Convert to fraction form
    118,379.02/163,356.80 = 64,663.26/x
  3. Step 3: Cross multiply
    118,379.02x = 163,356.80 × 64,663.26
  4. Step 4: Simplify right side
    118,379.02x = 10,563,183,231.17
  5. Step 5: Solve for x
    x = 10,563,183,231.17/118,379.02
  6. Step 6: Final answer
    x = 89,231.89

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