Home / 81,454.72-122,175.60-25,292.56

Finding the Fourth Proportional to 81,454.72, 122,175.60 and 25,292.56

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Solution

The fourth proportional to 81,454.72, 122,175.60 and 25,292.56 is: 37,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,454.72 : 122,175.60 = 25,292.56 : x
  2. Step 2: Convert to fraction form
    81,454.72/122,175.60 = 25,292.56/x
  3. Step 3: Cross multiply
    81,454.72x = 122,175.60 × 25,292.56
  4. Step 4: Simplify right side
    81,454.72x = 3,090,133,693.54
  5. Step 5: Solve for x
    x = 3,090,133,693.54/81,454.72
  6. Step 6: Final answer
    x = 37,936.83

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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.