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Finding the Fourth Proportional to 103,794.80, 155,692.20 and 99,244.40

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Solution

The fourth proportional to 103,794.80, 155,692.20 and 99,244.40 is: 148,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,794.80 : 155,692.20 = 99,244.40 : x
  2. Step 2: Convert to fraction form
    103,794.80/155,692.20 = 99,244.40/x
  3. Step 3: Cross multiply
    103,794.80x = 155,692.20 × 99,244.40
  4. Step 4: Simplify right side
    103,794.80x = 15,451,578,973.68
  5. Step 5: Solve for x
    x = 15,451,578,973.68/103,794.80
  6. Step 6: Final answer
    x = 148,866.60

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