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Finding the Fourth Proportional to 118,434.04, 163,438.02 and 64,718.08

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Solution

The fourth proportional to 118,434.04, 163,438.02 and 64,718.08 is: 89,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,434.04 : 163,438.02 = 64,718.08 : x
  2. Step 2: Convert to fraction form
    118,434.04/163,438.02 = 64,718.08/x
  3. Step 3: Cross multiply
    118,434.04x = 163,438.02 × 64,718.08
  4. Step 4: Simplify right side
    118,434.04x = 10,577,394,853.40
  5. Step 5: Solve for x
    x = 10,577,394,853.40/118,434.04
  6. Step 6: Final answer
    x = 89,310.43

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