Home / 146,912.40-220,365.54-47,072.88

Finding the Fourth Proportional to 146,912.40, 220,365.54 and 47,072.88

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Solution

The fourth proportional to 146,912.40, 220,365.54 and 47,072.88 is: 70,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,912.40 : 220,365.54 = 47,072.88 : x
  2. Step 2: Convert to fraction form
    146,912.40/220,365.54 = 47,072.88/x
  3. Step 3: Cross multiply
    146,912.40x = 220,365.54 × 47,072.88
  4. Step 4: Simplify right side
    146,912.40x = 10,373,240,620.56
  5. Step 5: Solve for x
    x = 10,373,240,620.56/146,912.40
  6. Step 6: Final answer
    x = 70,608.34

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1.5x scale

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.