Home / 199,725.44-275,619.68-109,081.40

Finding the Fourth Proportional to 199,725.44, 275,619.68 and 109,081.40

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Solution

The fourth proportional to 199,725.44, 275,619.68 and 109,081.40 is: 150,531.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,725.44 : 275,619.68 = 109,081.40 : x
  2. Step 2: Convert to fraction form
    199,725.44/275,619.68 = 109,081.40/x
  3. Step 3: Cross multiply
    199,725.44x = 275,619.68 × 109,081.40
  4. Step 4: Simplify right side
    199,725.44x = 30,064,980,561.95
  5. Step 5: Solve for x
    x = 30,064,980,561.95/199,725.44
  6. Step 6: Final answer
    x = 150,531.55

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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.