Home / 225,979.38-311,841.09-124,002.27

Finding the Fourth Proportional to 225,979.38, 311,841.09 and 124,002.27

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Solution

The fourth proportional to 225,979.38, 311,841.09 and 124,002.27 is: 171,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,979.38 : 311,841.09 = 124,002.27 : x
  2. Step 2: Convert to fraction form
    225,979.38/311,841.09 = 124,002.27/x
  3. Step 3: Cross multiply
    225,979.38x = 311,841.09 × 124,002.27
  4. Step 4: Simplify right side
    225,979.38x = 38,669,003,039.27
  5. Step 5: Solve for x
    x = 38,669,003,039.27/225,979.38
  6. Step 6: Final answer
    x = 171,117.40

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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.