Home / 215,194.92-296,972.26-130,320.04

Finding the Fourth Proportional to 215,194.92, 296,972.26 and 130,320.04

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Solution

The fourth proportional to 215,194.92, 296,972.26 and 130,320.04 is: 179,843.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,194.92 : 296,972.26 = 130,320.04 : x
  2. Step 2: Convert to fraction form
    215,194.92/296,972.26 = 130,320.04/x
  3. Step 3: Cross multiply
    215,194.92x = 296,972.26 × 130,320.04
  4. Step 4: Simplify right side
    215,194.92x = 38,701,436,802.09
  5. Step 5: Solve for x
    x = 38,701,436,802.09/215,194.92
  6. Step 6: Final answer
    x = 179,843.64

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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.