Home / 277,826.20-416,933.70-120,167.80

Finding the Fourth Proportional to 277,826.20, 416,933.70 and 120,167.80

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Solution

The fourth proportional to 277,826.20, 416,933.70 and 120,167.80 is: 180,335.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,826.20 : 416,933.70 = 120,167.80 : x
  2. Step 2: Convert to fraction form
    277,826.20/416,933.70 = 120,167.80/x
  3. Step 3: Cross multiply
    277,826.20x = 416,933.70 × 120,167.80
  4. Step 4: Simplify right side
    277,826.20x = 50,102,005,474.86
  5. Step 5: Solve for x
    x = 50,102,005,474.86/277,826.20
  6. Step 6: Final answer
    x = 180,335.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.