Home / 226,961.72-313,262.34-131,453

Finding the Fourth Proportional to 226,961.72, 313,262.34 and 131,453

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Solution

The fourth proportional to 226,961.72, 313,262.34 and 131,453 is: 181,437.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,961.72 : 313,262.34 = 131,453 : x
  2. Step 2: Convert to fraction form
    226,961.72/313,262.34 = 131,453/x
  3. Step 3: Cross multiply
    226,961.72x = 313,262.34 × 131,453
  4. Step 4: Simplify right side
    226,961.72x = 41,179,274,380.02
  5. Step 5: Solve for x
    x = 41,179,274,380.02/226,961.72
  6. Step 6: Final answer
    x = 181,437.09

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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.