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Finding the Fourth Proportional to 118,612.92, 163,684.37 and 64,897.16

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Solution

The fourth proportional to 118,612.92, 163,684.37 and 64,897.16 is: 89,557.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,612.92 : 163,684.37 = 64,897.16 : x
  2. Step 2: Convert to fraction form
    118,612.92/163,684.37 = 64,897.16/x
  3. Step 3: Cross multiply
    118,612.92x = 163,684.37 × 64,897.16
  4. Step 4: Simplify right side
    118,612.92x = 10,622,650,424.90
  5. Step 5: Solve for x
    x = 10,622,650,424.90/118,612.92
  6. Step 6: Final answer
    x = 89,557.28

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