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Finding the Fourth Proportional to 118,931.25, 164,130.11 and 65,218.34

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Solution

The fourth proportional to 118,931.25, 164,130.11 and 65,218.34 is: 90,004.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,931.25 : 164,130.11 = 65,218.34 : x
  2. Step 2: Convert to fraction form
    118,931.25/164,130.11 = 65,218.34/x
  3. Step 3: Cross multiply
    118,931.25x = 164,130.11 × 65,218.34
  4. Step 4: Simplify right side
    118,931.25x = 10,704,292,171.48
  5. Step 5: Solve for x
    x = 10,704,292,171.48/118,931.25
  6. Step 6: Final answer
    x = 90,004.03

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