Home / 211,756.25-317,634.38-64,012.25

Finding the Fourth Proportional to 211,756.25, 317,634.38 and 64,012.25

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Solution

The fourth proportional to 211,756.25, 317,634.38 and 64,012.25 is: 96,018.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,756.25 : 317,634.38 = 64,012.25 : x
  2. Step 2: Convert to fraction form
    211,756.25/317,634.38 = 64,012.25/x
  3. Step 3: Cross multiply
    211,756.25x = 317,634.38 × 64,012.25
  4. Step 4: Simplify right side
    211,756.25x = 20,332,491,021.09
  5. Step 5: Solve for x
    x = 20,332,491,021.09/211,756.25
  6. Step 6: Final answer
    x = 96,018.38

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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.