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Finding the Fourth Proportional to 113,331.40, 169,997.10 and 39,459.40

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Solution

The fourth proportional to 113,331.40, 169,997.10 and 39,459.40 is: 59,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,331.40 : 169,997.10 = 39,459.40 : x
  2. Step 2: Convert to fraction form
    113,331.40/169,997.10 = 39,459.40/x
  3. Step 3: Cross multiply
    113,331.40x = 169,997.10 × 39,459.40
  4. Step 4: Simplify right side
    113,331.40x = 6,707,983,567.74
  5. Step 5: Solve for x
    x = 6,707,983,567.74/113,331.40
  6. Step 6: Final answer
    x = 59,189.10

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