Home / 226,979.64-313,137.90-135,080.55

Finding the Fourth Proportional to 226,979.64, 313,137.90 and 135,080.55

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Solution

The fourth proportional to 226,979.64, 313,137.90 and 135,080.55 is: 186,355.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,979.64 : 313,137.90 = 135,080.55 : x
  2. Step 2: Convert to fraction form
    226,979.64/313,137.90 = 135,080.55/x
  3. Step 3: Cross multiply
    226,979.64x = 313,137.90 × 135,080.55
  4. Step 4: Simplify right side
    226,979.64x = 42,298,839,757.85
  5. Step 5: Solve for x
    x = 42,298,839,757.85/226,979.64
  6. Step 6: Final answer
    x = 186,355.22

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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.