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Finding the Fourth Proportional to 401,457.87, 602,187.26 and 135,196.08

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Solution

The fourth proportional to 401,457.87, 602,187.26 and 135,196.08 is: 202,794.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,457.87 : 602,187.26 = 135,196.08 : x
  2. Step 2: Convert to fraction form
    401,457.87/602,187.26 = 135,196.08/x
  3. Step 3: Cross multiply
    401,457.87x = 602,187.26 × 135,196.08
  4. Step 4: Simplify right side
    401,457.87x = 81,413,356,977.94
  5. Step 5: Solve for x
    x = 81,413,356,977.94/401,457.87
  6. Step 6: Final answer
    x = 202,794.27

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