Home / 226,631.89-312,757.91-124,659.98

Finding the Fourth Proportional to 226,631.89, 312,757.91 and 124,659.98

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Solution

The fourth proportional to 226,631.89, 312,757.91 and 124,659.98 is: 172,034.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,631.89 : 312,757.91 = 124,659.98 : x
  2. Step 2: Convert to fraction form
    226,631.89/312,757.91 = 124,659.98/x
  3. Step 3: Cross multiply
    226,631.89x = 312,757.91 × 124,659.98
  4. Step 4: Simplify right side
    226,631.89x = 38,988,394,258.67
  5. Step 5: Solve for x
    x = 38,988,394,258.67/226,631.89
  6. Step 6: Final answer
    x = 172,034.02

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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.