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Finding the Fourth Proportional to 125,620.80, 188,371.80 and 73,046.40

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Solution

The fourth proportional to 125,620.80, 188,371.80 and 73,046.40 is: 109,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,620.80 : 188,371.80 = 73,046.40 : x
  2. Step 2: Convert to fraction form
    125,620.80/188,371.80 = 73,046.40/x
  3. Step 3: Cross multiply
    125,620.80x = 188,371.80 × 73,046.40
  4. Step 4: Simplify right side
    125,620.80x = 13,759,881,851.52
  5. Step 5: Solve for x
    x = 13,759,881,851.52/125,620.80
  6. Step 6: Final answer
    x = 109,535.06

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