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Finding the Fourth Proportional to 216,692.39, 325,073.22 and 66,897.47

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Solution

The fourth proportional to 216,692.39, 325,073.22 and 66,897.47 is: 100,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,692.39 : 325,073.22 = 66,897.47 : x
  2. Step 2: Convert to fraction form
    216,692.39/325,073.22 = 66,897.47/x
  3. Step 3: Cross multiply
    216,692.39x = 325,073.22 × 66,897.47
  4. Step 4: Simplify right side
    216,692.39x = 21,746,575,982.75
  5. Step 5: Solve for x
    x = 21,746,575,982.75/216,692.39
  6. Step 6: Final answer
    x = 100,356.90

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