Home / 140,956.87-211,540.38-56,717.75

Finding the Fourth Proportional to 140,956.87, 211,540.38 and 56,717.75

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Solution

The fourth proportional to 140,956.87, 211,540.38 and 56,717.75 is: 85,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,956.87 : 211,540.38 = 56,717.75 : x
  2. Step 2: Convert to fraction form
    140,956.87/211,540.38 = 56,717.75/x
  3. Step 3: Cross multiply
    140,956.87x = 211,540.38 × 56,717.75
  4. Step 4: Simplify right side
    140,956.87x = 11,998,094,066.92
  5. Step 5: Solve for x
    x = 11,998,094,066.92/140,956.87
  6. Step 6: Final answer
    x = 85,118.90

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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.