Home / 146,183.38-201,733.06-79,115.38

Finding the Fourth Proportional to 146,183.38, 201,733.06 and 79,115.38

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Solution

The fourth proportional to 146,183.38, 201,733.06 and 79,115.38 is: 109,179.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,183.38 : 201,733.06 = 79,115.38 : x
  2. Step 2: Convert to fraction form
    146,183.38/201,733.06 = 79,115.38/x
  3. Step 3: Cross multiply
    146,183.38x = 201,733.06 × 79,115.38
  4. Step 4: Simplify right side
    146,183.38x = 15,960,187,700.46
  5. Step 5: Solve for x
    x = 15,960,187,700.46/146,183.38
  6. Step 6: Final answer
    x = 109,179.22

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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.