Home / 245,551.24-338,842.40-138,100.52

Finding the Fourth Proportional to 245,551.24, 338,842.40 and 138,100.52

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Solution

The fourth proportional to 245,551.24, 338,842.40 and 138,100.52 is: 190,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,551.24 : 338,842.40 = 138,100.52 : x
  2. Step 2: Convert to fraction form
    245,551.24/338,842.40 = 138,100.52/x
  3. Step 3: Cross multiply
    245,551.24x = 338,842.40 × 138,100.52
  4. Step 4: Simplify right side
    245,551.24x = 46,794,309,829.94
  5. Step 5: Solve for x
    x = 46,794,309,829.94/245,551.24
  6. Step 6: Final answer
    x = 190,568.41

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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.