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Finding the Fourth Proportional to 200,756.16, 277,163.64 and 125,406.72

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Solution

The fourth proportional to 200,756.16, 277,163.64 and 125,406.72 is: 173,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,756.16 : 277,163.64 = 125,406.72 : x
  2. Step 2: Convert to fraction form
    200,756.16/277,163.64 = 125,406.72/x
  3. Step 3: Cross multiply
    200,756.16x = 277,163.64 × 125,406.72
  4. Step 4: Simplify right side
    200,756.16x = 34,758,182,995.66
  5. Step 5: Solve for x
    x = 34,758,182,995.66/200,756.16
  6. Step 6: Final answer
    x = 173,136.32

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