Home / 131,255.07-181,122.60-73,891.44

Finding the Fourth Proportional to 131,255.07, 181,122.60 and 73,891.44

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Solution

The fourth proportional to 131,255.07, 181,122.60 and 73,891.44 is: 101,964.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,255.07 : 181,122.60 = 73,891.44 : x
  2. Step 2: Convert to fraction form
    131,255.07/181,122.60 = 73,891.44/x
  3. Step 3: Cross multiply
    131,255.07x = 181,122.60 × 73,891.44
  4. Step 4: Simplify right side
    131,255.07x = 13,383,409,730.54
  5. Step 5: Solve for x
    x = 13,383,409,730.54/131,255.07
  6. Step 6: Final answer
    x = 101,964.90

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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.