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Finding the Fourth Proportional to 93,297.30, 139,945.95 and 81,633.30

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Solution

The fourth proportional to 93,297.30, 139,945.95 and 81,633.30 is: 122,449.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,297.30 : 139,945.95 = 81,633.30 : x
  2. Step 2: Convert to fraction form
    93,297.30/139,945.95 = 81,633.30/x
  3. Step 3: Cross multiply
    93,297.30x = 139,945.95 × 81,633.30
  4. Step 4: Simplify right side
    93,297.30x = 11,424,249,720.14
  5. Step 5: Solve for x
    x = 11,424,249,720.14/93,297.30
  6. Step 6: Final answer
    x = 122,449.95

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