Home / 120,190.08-180,310.88-35,956.80

Finding the Fourth Proportional to 120,190.08, 180,310.88 and 35,956.80

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Solution

The fourth proportional to 120,190.08, 180,310.88 and 35,956.80 is: 53,942.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,190.08 : 180,310.88 = 35,956.80 : x
  2. Step 2: Convert to fraction form
    120,190.08/180,310.88 = 35,956.80/x
  3. Step 3: Cross multiply
    120,190.08x = 180,310.88 × 35,956.80
  4. Step 4: Simplify right side
    120,190.08x = 6,483,402,249.98
  5. Step 5: Solve for x
    x = 6,483,402,249.98/120,190.08
  6. Step 6: Final answer
    x = 53,942.91

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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.