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Finding the Fourth Proportional to 118,434.79, 163,456.68 and 75,400.53

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Solution

The fourth proportional to 118,434.79, 163,456.68 and 75,400.53 is: 104,063.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,434.79 : 163,456.68 = 75,400.53 : x
  2. Step 2: Convert to fraction form
    118,434.79/163,456.68 = 75,400.53/x
  3. Step 3: Cross multiply
    118,434.79x = 163,456.68 × 75,400.53
  4. Step 4: Simplify right side
    118,434.79x = 12,324,720,280.64
  5. Step 5: Solve for x
    x = 12,324,720,280.64/118,434.79
  6. Step 6: Final answer
    x = 104,063.35

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