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Finding the Fourth Proportional to 123,249.10, 184,873.66 and 40,143.10

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Solution

The fourth proportional to 123,249.10, 184,873.66 and 40,143.10 is: 60,214.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,249.10 : 184,873.66 = 40,143.10 : x
  2. Step 2: Convert to fraction form
    123,249.10/184,873.66 = 40,143.10/x
  3. Step 3: Cross multiply
    123,249.10x = 184,873.66 × 40,143.10
  4. Step 4: Simplify right side
    123,249.10x = 7,421,401,820.75
  5. Step 5: Solve for x
    x = 7,421,401,820.75/123,249.10
  6. Step 6: Final answer
    x = 60,214.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.