Home / 215,053.85-296,741.77-123,158.86

Finding the Fourth Proportional to 215,053.85, 296,741.77 and 123,158.86

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Solution

The fourth proportional to 215,053.85, 296,741.77 and 123,158.86 is: 169,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,053.85 : 296,741.77 = 123,158.86 : x
  2. Step 2: Convert to fraction form
    215,053.85/296,741.77 = 123,158.86/x
  3. Step 3: Cross multiply
    215,053.85x = 296,741.77 × 123,158.86
  4. Step 4: Simplify right side
    215,053.85x = 36,546,377,057.83
  5. Step 5: Solve for x
    x = 36,546,377,057.83/215,053.85
  6. Step 6: Final answer
    x = 169,940.58

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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.