Home / 226,121.56-312,046.15-124,148.73

Finding the Fourth Proportional to 226,121.56, 312,046.15 and 124,148.73

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Solution

The fourth proportional to 226,121.56, 312,046.15 and 124,148.73 is: 171,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,121.56 : 312,046.15 = 124,148.73 : x
  2. Step 2: Convert to fraction form
    226,121.56/312,046.15 = 124,148.73/x
  3. Step 3: Cross multiply
    226,121.56x = 312,046.15 × 124,148.73
  4. Step 4: Simplify right side
    226,121.56x = 38,740,134,316.47
  5. Step 5: Solve for x
    x = 38,740,134,316.47/226,121.56
  6. Step 6: Final answer
    x = 171,324.37

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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.