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Finding the Fourth Proportional to 93,313.20, 139,969.80 and 30,133.20

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Solution

The fourth proportional to 93,313.20, 139,969.80 and 30,133.20 is: 45,199.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,313.20 : 139,969.80 = 30,133.20 : x
  2. Step 2: Convert to fraction form
    93,313.20/139,969.80 = 30,133.20/x
  3. Step 3: Cross multiply
    93,313.20x = 139,969.80 × 30,133.20
  4. Step 4: Simplify right side
    93,313.20x = 4,217,737,977.36
  5. Step 5: Solve for x
    x = 4,217,737,977.36/93,313.20
  6. Step 6: Final answer
    x = 45,199.80

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