Home / 144,619.44-199,551.09-90,866.39

Finding the Fourth Proportional to 144,619.44, 199,551.09 and 90,866.39

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Solution

The fourth proportional to 144,619.44, 199,551.09 and 90,866.39 is: 125,380.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,619.44 : 199,551.09 = 90,866.39 : x
  2. Step 2: Convert to fraction form
    144,619.44/199,551.09 = 90,866.39/x
  3. Step 3: Cross multiply
    144,619.44x = 199,551.09 × 90,866.39
  4. Step 4: Simplify right side
    144,619.44x = 18,132,487,634.33
  5. Step 5: Solve for x
    x = 18,132,487,634.33/144,619.44
  6. Step 6: Final answer
    x = 125,380.71

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1.5x scale

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.