Home / 217,213.25-299,741.92-126,583.97

Finding the Fourth Proportional to 217,213.25, 299,741.92 and 126,583.97

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Solution

The fourth proportional to 217,213.25, 299,741.92 and 126,583.97 is: 174,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,213.25 : 299,741.92 = 126,583.97 : x
  2. Step 2: Convert to fraction form
    217,213.25/299,741.92 = 126,583.97/x
  3. Step 3: Cross multiply
    217,213.25x = 299,741.92 × 126,583.97
  4. Step 4: Simplify right side
    217,213.25x = 37,942,520,393.85
  5. Step 5: Solve for x
    x = 37,942,520,393.85/217,213.25
  6. Step 6: Final answer
    x = 174,678.67

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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.