Home / 215,155.71-296,910.66-119,660.36

Finding the Fourth Proportional to 215,155.71, 296,910.66 and 119,660.36

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Solution

The fourth proportional to 215,155.71, 296,910.66 and 119,660.36 is: 165,128.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,155.71 : 296,910.66 = 119,660.36 : x
  2. Step 2: Convert to fraction form
    215,155.71/296,910.66 = 119,660.36/x
  3. Step 3: Cross multiply
    215,155.71x = 296,910.66 × 119,660.36
  4. Step 4: Simplify right side
    215,155.71x = 35,528,436,463.44
  5. Step 5: Solve for x
    x = 35,528,436,463.44/215,155.71
  6. Step 6: Final answer
    x = 165,128.95

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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.