Home / 217,558.11-300,249.20-126,943.27

Finding the Fourth Proportional to 217,558.11, 300,249.20 and 126,943.27

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Solution

The fourth proportional to 217,558.11, 300,249.20 and 126,943.27 is: 175,192.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,558.11 : 300,249.20 = 126,943.27 : x
  2. Step 2: Convert to fraction form
    217,558.11/300,249.20 = 126,943.27/x
  3. Step 3: Cross multiply
    217,558.11x = 300,249.20 × 126,943.27
  4. Step 4: Simplify right side
    217,558.11x = 38,114,613,877.54
  5. Step 5: Solve for x
    x = 38,114,613,877.54/217,558.11
  6. Step 6: Final answer
    x = 175,192.80

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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.