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Finding the Fourth Proportional to 194,438.80, 291,269.40 and 131,453.20

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Solution

The fourth proportional to 194,438.80, 291,269.40 and 131,453.20 is: 196,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,438.80 : 291,269.40 = 131,453.20 : x
  2. Step 2: Convert to fraction form
    194,438.80/291,269.40 = 131,453.20/x
  3. Step 3: Cross multiply
    194,438.80x = 291,269.40 × 131,453.20
  4. Step 4: Simplify right side
    194,438.80x = 38,288,294,692.08
  5. Step 5: Solve for x
    x = 38,288,294,692.08/194,438.80
  6. Step 6: Final answer
    x = 196,916.95

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