Home / 226,137.62-312,094.77-129,350.42

Finding the Fourth Proportional to 226,137.62, 312,094.77 and 129,350.42

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Solution

The fourth proportional to 226,137.62, 312,094.77 and 129,350.42 is: 178,517.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,137.62 : 312,094.77 = 129,350.42 : x
  2. Step 2: Convert to fraction form
    226,137.62/312,094.77 = 129,350.42/x
  3. Step 3: Cross multiply
    226,137.62x = 312,094.77 × 129,350.42
  4. Step 4: Simplify right side
    226,137.62x = 40,369,589,431.72
  5. Step 5: Solve for x
    x = 40,369,589,431.72/226,137.62
  6. Step 6: Final answer
    x = 178,517.79

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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.