Home / 215,737.10-297,718.58-120,249.85

Finding the Fourth Proportional to 215,737.10, 297,718.58 and 120,249.85

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Solution

The fourth proportional to 215,737.10, 297,718.58 and 120,249.85 is: 165,945.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,737.10 : 297,718.58 = 120,249.85 : x
  2. Step 2: Convert to fraction form
    215,737.10/297,718.58 = 120,249.85/x
  3. Step 3: Cross multiply
    215,737.10x = 297,718.58 × 120,249.85
  4. Step 4: Simplify right side
    215,737.10x = 35,800,614,587.21
  5. Step 5: Solve for x
    x = 35,800,614,587.21/215,737.10
  6. Step 6: Final answer
    x = 165,945.56

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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.