Home / 146,727.29-220,138.17-66,793.86

Finding the Fourth Proportional to 146,727.29, 220,138.17 and 66,793.86

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Solution

The fourth proportional to 146,727.29, 220,138.17 and 66,793.86 is: 100,212.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,727.29 : 220,138.17 = 66,793.86 : x
  2. Step 2: Convert to fraction form
    146,727.29/220,138.17 = 66,793.86/x
  3. Step 3: Cross multiply
    146,727.29x = 220,138.17 × 66,793.86
  4. Step 4: Simplify right side
    146,727.29x = 14,703,878,107.64
  5. Step 5: Solve for x
    x = 14,703,878,107.64/146,727.29
  6. Step 6: Final answer
    x = 100,212.29

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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.