Home / 227,456.14-313,788-131,907.49

Finding the Fourth Proportional to 227,456.14, 313,788 and 131,907.49

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Solution

The fourth proportional to 227,456.14, 313,788 and 131,907.49 is: 181,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,456.14 : 313,788 = 131,907.49 : x
  2. Step 2: Convert to fraction form
    227,456.14/313,788 = 131,907.49/x
  3. Step 3: Cross multiply
    227,456.14x = 313,788 × 131,907.49
  4. Step 4: Simplify right side
    227,456.14x = 41,390,987,472.12
  5. Step 5: Solve for x
    x = 41,390,987,472.12/227,456.14
  6. Step 6: Final answer
    x = 181,973.49

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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.