Home / 222,451.38-307,012.14-126,976.68

Finding the Fourth Proportional to 222,451.38, 307,012.14 and 126,976.68

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Solution

The fourth proportional to 222,451.38, 307,012.14 and 126,976.68 is: 175,244.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,451.38 : 307,012.14 = 126,976.68 : x
  2. Step 2: Convert to fraction form
    222,451.38/307,012.14 = 126,976.68/x
  3. Step 3: Cross multiply
    222,451.38x = 307,012.14 × 126,976.68
  4. Step 4: Simplify right side
    222,451.38x = 38,983,382,256.90
  5. Step 5: Solve for x
    x = 38,983,382,256.90/222,451.38
  6. Step 6: Final answer
    x = 175,244.51

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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.