Home / 146,540.28-202,227-86,112.28

Finding the Fourth Proportional to 146,540.28, 202,227 and 86,112.28

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Solution

The fourth proportional to 146,540.28, 202,227 and 86,112.28 is: 118,835.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,540.28 : 202,227 = 86,112.28 : x
  2. Step 2: Convert to fraction form
    146,540.28/202,227 = 86,112.28/x
  3. Step 3: Cross multiply
    146,540.28x = 202,227 × 86,112.28
  4. Step 4: Simplify right side
    146,540.28x = 17,414,228,047.56
  5. Step 5: Solve for x
    x = 17,414,228,047.56/146,540.28
  6. Step 6: Final answer
    x = 118,835.78

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1.5x scale

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.