Home / 215,151.39-296,917.11-119,664.99

Finding the Fourth Proportional to 215,151.39, 296,917.11 and 119,664.99

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Solution

The fourth proportional to 215,151.39, 296,917.11 and 119,664.99 is: 165,142.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,151.39 : 296,917.11 = 119,664.99 : x
  2. Step 2: Convert to fraction form
    215,151.39/296,917.11 = 119,664.99/x
  3. Step 3: Cross multiply
    215,151.39x = 296,917.11 × 119,664.99
  4. Step 4: Simplify right side
    215,151.39x = 35,530,582,998.98
  5. Step 5: Solve for x
    x = 35,530,582,998.98/215,151.39
  6. Step 6: Final answer
    x = 165,142.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.