Home / 211,922.92-317,884.65-54,151.53

Finding the Fourth Proportional to 211,922.92, 317,884.65 and 54,151.53

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Solution

The fourth proportional to 211,922.92, 317,884.65 and 54,151.53 is: 81,227.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,922.92 : 317,884.65 = 54,151.53 : x
  2. Step 2: Convert to fraction form
    211,922.92/317,884.65 = 54,151.53/x
  3. Step 3: Cross multiply
    211,922.92x = 317,884.65 × 54,151.53
  4. Step 4: Simplify right side
    211,922.92x = 17,213,938,571.59
  5. Step 5: Solve for x
    x = 17,213,938,571.59/211,922.92
  6. Step 6: Final answer
    x = 81,227.36

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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.