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Finding the Fourth Proportional to 118,209.33, 163,188.95 and 91,291.41

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Solution

The fourth proportional to 118,209.33, 163,188.95 and 91,291.41 is: 126,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,209.33 : 163,188.95 = 91,291.41 : x
  2. Step 2: Convert to fraction form
    118,209.33/163,188.95 = 91,291.41/x
  3. Step 3: Cross multiply
    118,209.33x = 163,188.95 × 91,291.41
  4. Step 4: Simplify right side
    118,209.33x = 14,897,748,885.46
  5. Step 5: Solve for x
    x = 14,897,748,885.46/118,209.33
  6. Step 6: Final answer
    x = 126,028.54

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