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Finding the Fourth Proportional to 137,048.02, 189,057 and 91,727.90

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Solution

The fourth proportional to 137,048.02, 189,057 and 91,727.90 is: 126,538.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,048.02 : 189,057 = 91,727.90 : x
  2. Step 2: Convert to fraction form
    137,048.02/189,057 = 91,727.90/x
  3. Step 3: Cross multiply
    137,048.02x = 189,057 × 91,727.90
  4. Step 4: Simplify right side
    137,048.02x = 17,341,801,590.30
  5. Step 5: Solve for x
    x = 17,341,801,590.30/137,048.02
  6. Step 6: Final answer
    x = 126,538.14

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