Home / 215,512.49-297,385.94-120,028.07

Finding the Fourth Proportional to 215,512.49, 297,385.94 and 120,028.07

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Solution

The fourth proportional to 215,512.49, 297,385.94 and 120,028.07 is: 165,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,512.49 : 297,385.94 = 120,028.07 : x
  2. Step 2: Convert to fraction form
    215,512.49/297,385.94 = 120,028.07/x
  3. Step 3: Cross multiply
    215,512.49x = 297,385.94 × 120,028.07
  4. Step 4: Simplify right side
    215,512.49x = 35,694,658,336.27
  5. Step 5: Solve for x
    x = 35,694,658,336.27/215,512.49
  6. Step 6: Final answer
    x = 165,626.87

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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.