Home / 146,743.75-220,147.20-45,539.80

Finding the Fourth Proportional to 146,743.75, 220,147.20 and 45,539.80

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Solution

The fourth proportional to 146,743.75, 220,147.20 and 45,539.80 is: 68,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,743.75 : 220,147.20 = 45,539.80 : x
  2. Step 2: Convert to fraction form
    146,743.75/220,147.20 = 45,539.80/x
  3. Step 3: Cross multiply
    146,743.75x = 220,147.20 × 45,539.80
  4. Step 4: Simplify right side
    146,743.75x = 10,025,459,458.56
  5. Step 5: Solve for x
    x = 10,025,459,458.56/146,743.75
  6. Step 6: Final answer
    x = 68,319.50

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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.