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Finding the Fourth Proportional to 220,765.28, 304,647.62 and 125,266.28

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Solution

The fourth proportional to 220,765.28, 304,647.62 and 125,266.28 is: 172,862.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,765.28 : 304,647.62 = 125,266.28 : x
  2. Step 2: Convert to fraction form
    220,765.28/304,647.62 = 125,266.28/x
  3. Step 3: Cross multiply
    220,765.28x = 304,647.62 × 125,266.28
  4. Step 4: Simplify right side
    220,765.28x = 38,162,074,068.25
  5. Step 5: Solve for x
    x = 38,162,074,068.25/220,765.28
  6. Step 6: Final answer
    x = 172,862.66

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