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Finding the Fourth Proportional to 374,230.20, 561,345.30 and 107,999.40

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Solution

The fourth proportional to 374,230.20, 561,345.30 and 107,999.40 is: 161,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,230.20 : 561,345.30 = 107,999.40 : x
  2. Step 2: Convert to fraction form
    374,230.20/561,345.30 = 107,999.40/x
  3. Step 3: Cross multiply
    374,230.20x = 561,345.30 × 107,999.40
  4. Step 4: Simplify right side
    374,230.20x = 60,624,955,592.82
  5. Step 5: Solve for x
    x = 60,624,955,592.82/374,230.20
  6. Step 6: Final answer
    x = 161,999.10

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