Home / 91,754.17-137,631-25,194.37

Finding the Fourth Proportional to 91,754.17, 137,631 and 25,194.37

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Solution

The fourth proportional to 91,754.17, 137,631 and 25,194.37 is: 37,791.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,754.17 : 137,631 = 25,194.37 : x
  2. Step 2: Convert to fraction form
    91,754.17/137,631 = 25,194.37/x
  3. Step 3: Cross multiply
    91,754.17x = 137,631 × 25,194.37
  4. Step 4: Simplify right side
    91,754.17x = 3,467,526,337.47
  5. Step 5: Solve for x
    x = 3,467,526,337.47/91,754.17
  6. Step 6: Final answer
    x = 37,791.48

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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.