Home / 211,375.14-317,102.76-111,440.85

Finding the Fourth Proportional to 211,375.14, 317,102.76 and 111,440.85

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Solution

The fourth proportional to 211,375.14, 317,102.76 and 111,440.85 is: 167,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,375.14 : 317,102.76 = 111,440.85 : x
  2. Step 2: Convert to fraction form
    211,375.14/317,102.76 = 111,440.85/x
  3. Step 3: Cross multiply
    211,375.14x = 317,102.76 × 111,440.85
  4. Step 4: Simplify right side
    211,375.14x = 35,338,201,111.75
  5. Step 5: Solve for x
    x = 35,338,201,111.75/211,375.14
  6. Step 6: Final answer
    x = 167,182.39

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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.