Home / 77,956.68-116,933.40-31,197

Finding the Fourth Proportional to 77,956.68, 116,933.40 and 31,197

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Solution

The fourth proportional to 77,956.68, 116,933.40 and 31,197 is: 46,794.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,956.68 : 116,933.40 = 31,197 : x
  2. Step 2: Convert to fraction form
    77,956.68/116,933.40 = 31,197/x
  3. Step 3: Cross multiply
    77,956.68x = 116,933.40 × 31,197
  4. Step 4: Simplify right side
    77,956.68x = 3,647,971,279.80
  5. Step 5: Solve for x
    x = 3,647,971,279.80/77,956.68
  6. Step 6: Final answer
    x = 46,794.85

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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.