Home / 245,489.24-338,771.94-138,059.24

Finding the Fourth Proportional to 245,489.24, 338,771.94 and 138,059.24

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Solution

The fourth proportional to 245,489.24, 338,771.94 and 138,059.24 is: 190,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,489.24 : 338,771.94 = 138,059.24 : x
  2. Step 2: Convert to fraction form
    245,489.24/338,771.94 = 138,059.24/x
  3. Step 3: Cross multiply
    245,489.24x = 338,771.94 × 138,059.24
  4. Step 4: Simplify right side
    245,489.24x = 46,770,596,569.73
  5. Step 5: Solve for x
    x = 46,770,596,569.73/245,489.24
  6. Step 6: Final answer
    x = 190,519.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.