Home / 226,801.45-312,965.67-131,314.60

Finding the Fourth Proportional to 226,801.45, 312,965.67 and 131,314.60

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Solution

The fourth proportional to 226,801.45, 312,965.67 and 131,314.60 is: 181,202.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,801.45 : 312,965.67 = 131,314.60 : x
  2. Step 2: Convert to fraction form
    226,801.45/312,965.67 = 131,314.60/x
  3. Step 3: Cross multiply
    226,801.45x = 312,965.67 × 131,314.60
  4. Step 4: Simplify right side
    226,801.45x = 41,096,961,769.78
  5. Step 5: Solve for x
    x = 41,096,961,769.78/226,801.45
  6. Step 6: Final answer
    x = 181,202.38

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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.