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Finding the Fourth Proportional to 107,800.40, 161,700.60 and 94,678.40

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Solution

The fourth proportional to 107,800.40, 161,700.60 and 94,678.40 is: 142,017.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,800.40 : 161,700.60 = 94,678.40 : x
  2. Step 2: Convert to fraction form
    107,800.40/161,700.60 = 94,678.40/x
  3. Step 3: Cross multiply
    107,800.40x = 161,700.60 × 94,678.40
  4. Step 4: Simplify right side
    107,800.40x = 15,309,554,087.04
  5. Step 5: Solve for x
    x = 15,309,554,087.04/107,800.40
  6. Step 6: Final answer
    x = 142,017.60

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