Home / 146,912.25-220,430.73-80,274.54

Finding the Fourth Proportional to 146,912.25, 220,430.73 and 80,274.54

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Solution

The fourth proportional to 146,912.25, 220,430.73 and 80,274.54 is: 120,445.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,912.25 : 220,430.73 = 80,274.54 : x
  2. Step 2: Convert to fraction form
    146,912.25/220,430.73 = 80,274.54/x
  3. Step 3: Cross multiply
    146,912.25x = 220,430.73 × 80,274.54
  4. Step 4: Simplify right side
    146,912.25x = 17,694,975,452.61
  5. Step 5: Solve for x
    x = 17,694,975,452.61/146,912.25
  6. Step 6: Final answer
    x = 120,445.88

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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.