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Finding the Fourth Proportional to 147,308.80, 220,736.40 and 109,692.40

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Solution

The fourth proportional to 147,308.80, 220,736.40 and 109,692.40 is: 164,369.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,308.80 : 220,736.40 = 109,692.40 : x
  2. Step 2: Convert to fraction form
    147,308.80/220,736.40 = 109,692.40/x
  3. Step 3: Cross multiply
    147,308.80x = 220,736.40 × 109,692.40
  4. Step 4: Simplify right side
    147,308.80x = 24,213,105,483.36
  5. Step 5: Solve for x
    x = 24,213,105,483.36/147,308.80
  6. Step 6: Final answer
    x = 164,369.72

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