Home / 215,910.23-297,942.67-119,115.33

Finding the Fourth Proportional to 215,910.23, 297,942.67 and 119,115.33

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Solution

The fourth proportional to 215,910.23, 297,942.67 and 119,115.33 is: 164,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,910.23 : 297,942.67 = 119,115.33 : x
  2. Step 2: Convert to fraction form
    215,910.23/297,942.67 = 119,115.33/x
  3. Step 3: Cross multiply
    215,910.23x = 297,942.67 × 119,115.33
  4. Step 4: Simplify right side
    215,910.23x = 35,489,538,489.74
  5. Step 5: Solve for x
    x = 35,489,538,489.74/215,910.23
  6. Step 6: Final answer
    x = 164,371.74

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1.5x scale

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.