Home / 215,842.37-323,766.29-82,730.61

Finding the Fourth Proportional to 215,842.37, 323,766.29 and 82,730.61

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Solution

The fourth proportional to 215,842.37, 323,766.29 and 82,730.61 is: 124,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,842.37 : 323,766.29 = 82,730.61 : x
  2. Step 2: Convert to fraction form
    215,842.37/323,766.29 = 82,730.61/x
  3. Step 3: Cross multiply
    215,842.37x = 323,766.29 × 82,730.61
  4. Step 4: Simplify right side
    215,842.37x = 26,785,382,875.96
  5. Step 5: Solve for x
    x = 26,785,382,875.96/215,842.37
  6. Step 6: Final answer
    x = 124,096.97

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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.