Home / 215,216.19-296,963.42-119,720.43

Finding the Fourth Proportional to 215,216.19, 296,963.42 and 119,720.43

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Solution

The fourth proportional to 215,216.19, 296,963.42 and 119,720.43 is: 165,194.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,216.19 : 296,963.42 = 119,720.43 : x
  2. Step 2: Convert to fraction form
    215,216.19/296,963.42 = 119,720.43/x
  3. Step 3: Cross multiply
    215,216.19x = 296,963.42 × 119,720.43
  4. Step 4: Simplify right side
    215,216.19x = 35,552,587,738.07
  5. Step 5: Solve for x
    x = 35,552,587,738.07/215,216.19
  6. Step 6: Final answer
    x = 165,194.76

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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.