Home / 146,727.05-220,137.80-66,793.61

Finding the Fourth Proportional to 146,727.05, 220,137.80 and 66,793.61

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Solution

The fourth proportional to 146,727.05, 220,137.80 and 66,793.61 is: 100,211.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727.05 : 220,137.80 = 66,793.61 : x
  2. Step 2: Convert to fraction form
    146,727.05/220,137.80 = 66,793.61/x
  3. Step 3: Cross multiply
    146,727.05x = 220,137.80 × 66,793.61
  4. Step 4: Simplify right side
    146,727.05x = 14,703,796,924.80
  5. Step 5: Solve for x
    x = 14,703,796,924.80/146,727.05
  6. Step 6: Final answer
    x = 100,211.91

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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.