Home / 146,727.48-220,091.28-80,131.20

Finding the Fourth Proportional to 146,727.48, 220,091.28 and 80,131.20

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Solution

The fourth proportional to 146,727.48, 220,091.28 and 80,131.20 is: 120,196.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727.48 : 220,091.28 = 80,131.20 : x
  2. Step 2: Convert to fraction form
    146,727.48/220,091.28 = 80,131.20/x
  3. Step 3: Cross multiply
    146,727.48x = 220,091.28 × 80,131.20
  4. Step 4: Simplify right side
    146,727.48x = 17,636,178,375.94
  5. Step 5: Solve for x
    x = 17,636,178,375.94/146,727.48
  6. Step 6: Final answer
    x = 120,196.83

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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.