Home / 225,514.29-311,210.10-123,537.52

Finding the Fourth Proportional to 225,514.29, 311,210.10 and 123,537.52

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Solution

The fourth proportional to 225,514.29, 311,210.10 and 123,537.52 is: 170,481.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,514.29 : 311,210.10 = 123,537.52 : x
  2. Step 2: Convert to fraction form
    225,514.29/311,210.10 = 123,537.52/x
  3. Step 3: Cross multiply
    225,514.29x = 311,210.10 × 123,537.52
  4. Step 4: Simplify right side
    225,514.29x = 38,446,123,174.93
  5. Step 5: Solve for x
    x = 38,446,123,174.93/225,514.29
  6. Step 6: Final answer
    x = 170,481.98

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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.