Home / 138,584.07-207,853.25-49,821.03

Finding the Fourth Proportional to 138,584.07, 207,853.25 and 49,821.03

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Solution

The fourth proportional to 138,584.07, 207,853.25 and 49,821.03 is: 74,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,584.07 : 207,853.25 = 49,821.03 : x
  2. Step 2: Convert to fraction form
    138,584.07/207,853.25 = 49,821.03/x
  3. Step 3: Cross multiply
    138,584.07x = 207,853.25 × 49,821.03
  4. Step 4: Simplify right side
    138,584.07x = 10,355,462,754.74
  5. Step 5: Solve for x
    x = 10,355,462,754.74/138,584.07
  6. Step 6: Final answer
    x = 74,723.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.