Home / 211,375.64-317,103.52-111,441.36

Finding the Fourth Proportional to 211,375.64, 317,103.52 and 111,441.36

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Solution

The fourth proportional to 211,375.64, 317,103.52 and 111,441.36 is: 167,183.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,375.64 : 317,103.52 = 111,441.36 : x
  2. Step 2: Convert to fraction form
    211,375.64/317,103.52 = 111,441.36/x
  3. Step 3: Cross multiply
    211,375.64x = 317,103.52 × 111,441.36
  4. Step 4: Simplify right side
    211,375.64x = 35,338,447,529.59
  5. Step 5: Solve for x
    x = 35,338,447,529.59/211,375.64
  6. Step 6: Final answer
    x = 167,183.16

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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.