Home / 215,917.80-323,723.10-82,746.60

Finding the Fourth Proportional to 215,917.80, 323,723.10 and 82,746.60

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Solution

The fourth proportional to 215,917.80, 323,723.10 and 82,746.60 is: 124,061.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,917.80 : 323,723.10 = 82,746.60 : x
  2. Step 2: Convert to fraction form
    215,917.80/323,723.10 = 82,746.60/x
  3. Step 3: Cross multiply
    215,917.80x = 323,723.10 × 82,746.60
  4. Step 4: Simplify right side
    215,917.80x = 26,786,985,866.46
  5. Step 5: Solve for x
    x = 26,786,985,866.46/215,917.80
  6. Step 6: Final answer
    x = 124,061.04

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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.