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Finding the Fourth Proportional to 118,308.18, 163,258.92 and 64,592.40

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Solution

The fourth proportional to 118,308.18, 163,258.92 and 64,592.40 is: 89,134.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308.18 : 163,258.92 = 64,592.40 : x
  2. Step 2: Convert to fraction form
    118,308.18/163,258.92 = 64,592.40/x
  3. Step 3: Cross multiply
    118,308.18x = 163,258.92 × 64,592.40
  4. Step 4: Simplify right side
    118,308.18x = 10,545,285,464.21
  5. Step 5: Solve for x
    x = 10,545,285,464.21/118,308.18
  6. Step 6: Final answer
    x = 89,134.04

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