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Finding the Fourth Proportional to 356,729.38, 535,176.42 and 120,066.28

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Solution

The fourth proportional to 356,729.38, 535,176.42 and 120,066.28 is: 180,127.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,729.38 : 535,176.42 = 120,066.28 : x
  2. Step 2: Convert to fraction form
    356,729.38/535,176.42 = 120,066.28/x
  3. Step 3: Cross multiply
    356,729.38x = 535,176.42 × 120,066.28
  4. Step 4: Simplify right side
    356,729.38x = 64,256,641,893.12
  5. Step 5: Solve for x
    x = 64,256,641,893.12/356,729.38
  6. Step 6: Final answer
    x = 180,127.14

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