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Finding the Fourth Proportional to 125,621.80, 188,373.30 and 73,047.40

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Solution

The fourth proportional to 125,621.80, 188,373.30 and 73,047.40 is: 109,536.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,621.80 : 188,373.30 = 73,047.40 : x
  2. Step 2: Convert to fraction form
    125,621.80/188,373.30 = 73,047.40/x
  3. Step 3: Cross multiply
    125,621.80x = 188,373.30 × 73,047.40
  4. Step 4: Simplify right side
    125,621.80x = 13,760,179,794.42
  5. Step 5: Solve for x
    x = 13,760,179,794.42/125,621.80
  6. Step 6: Final answer
    x = 109,536.56

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