Home / 123,249.12-184,873.68-40,143.12

Finding the Fourth Proportional to 123,249.12, 184,873.68 and 40,143.12

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Solution

The fourth proportional to 123,249.12, 184,873.68 and 40,143.12 is: 60,214.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,249.12 : 184,873.68 = 40,143.12 : x
  2. Step 2: Convert to fraction form
    123,249.12/184,873.68 = 40,143.12/x
  3. Step 3: Cross multiply
    123,249.12x = 184,873.68 × 40,143.12
  4. Step 4: Simplify right side
    123,249.12x = 7,421,406,321.08
  5. Step 5: Solve for x
    x = 7,421,406,321.08/123,249.12
  6. Step 6: Final answer
    x = 60,214.68

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1.5x scale

Why These Related Problems?

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