Home / 215,143.72-296,896.26-119,645.80

Finding the Fourth Proportional to 215,143.72, 296,896.26 and 119,645.80

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Solution

The fourth proportional to 215,143.72, 296,896.26 and 119,645.80 is: 165,110.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,143.72 : 296,896.26 = 119,645.80 : x
  2. Step 2: Convert to fraction form
    215,143.72/296,896.26 = 119,645.80/x
  3. Step 3: Cross multiply
    215,143.72x = 296,896.26 × 119,645.80
  4. Step 4: Simplify right side
    215,143.72x = 35,522,390,544.71
  5. Step 5: Solve for x
    x = 35,522,390,544.71/215,143.72
  6. Step 6: Final answer
    x = 165,110.05

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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.