Home / 307,928.40-461,796.60-120,997.20

Finding the Fourth Proportional to 307,928.40, 461,796.60 and 120,997.20

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Solution

The fourth proportional to 307,928.40, 461,796.60 and 120,997.20 is: 181,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,928.40 : 461,796.60 = 120,997.20 : x
  2. Step 2: Convert to fraction form
    307,928.40/461,796.60 = 120,997.20/x
  3. Step 3: Cross multiply
    307,928.40x = 461,796.60 × 120,997.20
  4. Step 4: Simplify right side
    307,928.40x = 55,876,095,569.52
  5. Step 5: Solve for x
    x = 55,876,095,569.52/307,928.40
  6. Step 6: Final answer
    x = 181,458.08

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