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Finding the Fourth Proportional to 93,533.60, 140,300.40 and 76,912.40

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Solution

The fourth proportional to 93,533.60, 140,300.40 and 76,912.40 is: 115,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,533.60 : 140,300.40 = 76,912.40 : x
  2. Step 2: Convert to fraction form
    93,533.60/140,300.40 = 76,912.40/x
  3. Step 3: Cross multiply
    93,533.60x = 140,300.40 × 76,912.40
  4. Step 4: Simplify right side
    93,533.60x = 10,790,840,484.96
  5. Step 5: Solve for x
    x = 10,790,840,484.96/93,533.60
  6. Step 6: Final answer
    x = 115,368.60

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