Home / 199,855.62-275,801.61-109,211.37

Finding the Fourth Proportional to 199,855.62, 275,801.61 and 109,211.37

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Solution

The fourth proportional to 199,855.62, 275,801.61 and 109,211.37 is: 150,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,855.62 : 275,801.61 = 109,211.37 : x
  2. Step 2: Convert to fraction form
    199,855.62/275,801.61 = 109,211.37/x
  3. Step 3: Cross multiply
    199,855.62x = 275,801.61 × 109,211.37
  4. Step 4: Simplify right side
    199,855.62x = 30,120,671,676.31
  5. Step 5: Solve for x
    x = 30,120,671,676.31/199,855.62
  6. Step 6: Final answer
    x = 150,712.16

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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.