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Finding the Fourth Proportional to 73,149.83, 100,945.43 and 40,885.05

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Solution

The fourth proportional to 73,149.83, 100,945.43 and 40,885.05 is: 56,420.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,149.83 : 100,945.43 = 40,885.05 : x
  2. Step 2: Convert to fraction form
    73,149.83/100,945.43 = 40,885.05/x
  3. Step 3: Cross multiply
    73,149.83x = 100,945.43 × 40,885.05
  4. Step 4: Simplify right side
    73,149.83x = 4,127,158,748.40
  5. Step 5: Solve for x
    x = 4,127,158,748.40/73,149.83
  6. Step 6: Final answer
    x = 56,420.62

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