Home / 215,086.27-296,892.89-130,203.36

Finding the Fourth Proportional to 215,086.27, 296,892.89 and 130,203.36

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Solution

The fourth proportional to 215,086.27, 296,892.89 and 130,203.36 is: 179,725.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,086.27 : 296,892.89 = 130,203.36 : x
  2. Step 2: Convert to fraction form
    215,086.27/296,892.89 = 130,203.36/x
  3. Step 3: Cross multiply
    215,086.27x = 296,892.89 × 130,203.36
  4. Step 4: Simplify right side
    215,086.27x = 38,656,451,838.11
  5. Step 5: Solve for x
    x = 38,656,451,838.11/215,086.27
  6. Step 6: Final answer
    x = 179,725.33

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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.