Home / 135,183.04-202,785.08-40,406

Finding the Fourth Proportional to 135,183.04, 202,785.08 and 40,406

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Solution

The fourth proportional to 135,183.04, 202,785.08 and 40,406 is: 60,612.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,183.04 : 202,785.08 = 40,406 : x
  2. Step 2: Convert to fraction form
    135,183.04/202,785.08 = 40,406/x
  3. Step 3: Cross multiply
    135,183.04x = 202,785.08 × 40,406
  4. Step 4: Simplify right side
    135,183.04x = 8,193,733,942.48
  5. Step 5: Solve for x
    x = 8,193,733,942.48/135,183.04
  6. Step 6: Final answer
    x = 60,612.14

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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.