Home / 146,372.10-201,993.83-81,843.65

Finding the Fourth Proportional to 146,372.10, 201,993.83 and 81,843.65

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Solution

The fourth proportional to 146,372.10, 201,993.83 and 81,843.65 is: 112,944.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,372.10 : 201,993.83 = 81,843.65 : x
  2. Step 2: Convert to fraction form
    146,372.10/201,993.83 = 81,843.65/x
  3. Step 3: Cross multiply
    146,372.10x = 201,993.83 × 81,843.65
  4. Step 4: Simplify right side
    146,372.10x = 16,531,912,324.68
  5. Step 5: Solve for x
    x = 16,531,912,324.68/146,372.10
  6. Step 6: Final answer
    x = 112,944.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.