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Finding the Fourth Proportional to 116,570.70, 174,942.45 and 85,466.70

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Solution

The fourth proportional to 116,570.70, 174,942.45 and 85,466.70 is: 128,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,570.70 : 174,942.45 = 85,466.70 : x
  2. Step 2: Convert to fraction form
    116,570.70/174,942.45 = 85,466.70/x
  3. Step 3: Cross multiply
    116,570.70x = 174,942.45 × 85,466.70
  4. Step 4: Simplify right side
    116,570.70x = 14,951,753,891.42
  5. Step 5: Solve for x
    x = 14,951,753,891.42/116,570.70
  6. Step 6: Final answer
    x = 128,263.40

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