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Finding the Fourth Proportional to 125,621.80, 188,432.70 and 124,309.60

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Solution

The fourth proportional to 125,621.80, 188,432.70 and 124,309.60 is: 186,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,621.80 : 188,432.70 = 124,309.60 : x
  2. Step 2: Convert to fraction form
    125,621.80/188,432.70 = 124,309.60/x
  3. Step 3: Cross multiply
    125,621.80x = 188,432.70 × 124,309.60
  4. Step 4: Simplify right side
    125,621.80x = 23,423,993,563.92
  5. Step 5: Solve for x
    x = 23,423,993,563.92/125,621.80
  6. Step 6: Final answer
    x = 186,464.40

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