Home / 199,725.38-275,619.54-109,081.38

Finding the Fourth Proportional to 199,725.38, 275,619.54 and 109,081.38

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Solution

The fourth proportional to 199,725.38, 275,619.54 and 109,081.38 is: 150,531.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,725.38 : 275,619.54 = 109,081.38 : x
  2. Step 2: Convert to fraction form
    199,725.38/275,619.54 = 109,081.38/x
  3. Step 3: Cross multiply
    199,725.38x = 275,619.54 × 109,081.38
  4. Step 4: Simplify right side
    199,725.38x = 30,064,961,220.79
  5. Step 5: Solve for x
    x = 30,064,961,220.79/199,725.38
  6. Step 6: Final answer
    x = 150,531.50

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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.