Home / 138,546.91-190,912.26-95,539.51

Finding the Fourth Proportional to 138,546.91, 190,912.26 and 95,539.51

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Solution

The fourth proportional to 138,546.91, 190,912.26 and 95,539.51 is: 131,649.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,546.91 : 190,912.26 = 95,539.51 : x
  2. Step 2: Convert to fraction form
    138,546.91/190,912.26 = 95,539.51/x
  3. Step 3: Cross multiply
    138,546.91x = 190,912.26 × 95,539.51
  4. Step 4: Simplify right side
    138,546.91x = 18,239,663,773.39
  5. Step 5: Solve for x
    x = 18,239,663,773.39/138,546.91
  6. Step 6: Final answer
    x = 131,649.73

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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.