Home / 217,359.75-299,899.68-125,456.55

Finding the Fourth Proportional to 217,359.75, 299,899.68 and 125,456.55

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Solution

The fourth proportional to 217,359.75, 299,899.68 and 125,456.55 is: 173,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,359.75 : 299,899.68 = 125,456.55 : x
  2. Step 2: Convert to fraction form
    217,359.75/299,899.68 = 125,456.55/x
  3. Step 3: Cross multiply
    217,359.75x = 299,899.68 × 125,456.55
  4. Step 4: Simplify right side
    217,359.75x = 37,624,379,198.90
  5. Step 5: Solve for x
    x = 37,624,379,198.90/217,359.75
  6. Step 6: Final answer
    x = 173,097.27

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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.