Home / 151,128.68-226,701.11-45,939.65

Finding the Fourth Proportional to 151,128.68, 226,701.11 and 45,939.65

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Solution

The fourth proportional to 151,128.68, 226,701.11 and 45,939.65 is: 68,911.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,128.68 : 226,701.11 = 45,939.65 : x
  2. Step 2: Convert to fraction form
    151,128.68/226,701.11 = 45,939.65/x
  3. Step 3: Cross multiply
    151,128.68x = 226,701.11 × 45,939.65
  4. Step 4: Simplify right side
    151,128.68x = 10,414,568,629.36
  5. Step 5: Solve for x
    x = 10,414,568,629.36/151,128.68
  6. Step 6: Final answer
    x = 68,911.93

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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.