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Finding the Fourth Proportional to 107,270.20, 160,856.70 and 40,688.20

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Solution

The fourth proportional to 107,270.20, 160,856.70 and 40,688.20 is: 61,013.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,270.20 : 160,856.70 = 40,688.20 : x
  2. Step 2: Convert to fraction form
    107,270.20/160,856.70 = 40,688.20/x
  3. Step 3: Cross multiply
    107,270.20x = 160,856.70 × 40,688.20
  4. Step 4: Simplify right side
    107,270.20x = 6,544,969,580.94
  5. Step 5: Solve for x
    x = 6,544,969,580.94/107,270.20
  6. Step 6: Final answer
    x = 61,013.87

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