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Finding the Fourth Proportional to 107,605.40, 161,408.10 and 97,237.40

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Solution

The fourth proportional to 107,605.40, 161,408.10 and 97,237.40 is: 145,856.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,605.40 : 161,408.10 = 97,237.40 : x
  2. Step 2: Convert to fraction form
    107,605.40/161,408.10 = 97,237.40/x
  3. Step 3: Cross multiply
    107,605.40x = 161,408.10 × 97,237.40
  4. Step 4: Simplify right side
    107,605.40x = 15,694,903,982.94
  5. Step 5: Solve for x
    x = 15,694,903,982.94/107,605.40
  6. Step 6: Final answer
    x = 145,856.10

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