Home / 199,644.09-275,501.61-108,998.39

Finding the Fourth Proportional to 199,644.09, 275,501.61 and 108,998.39

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Solution

The fourth proportional to 199,644.09, 275,501.61 and 108,998.39 is: 150,413.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,644.09 : 275,501.61 = 108,998.39 : x
  2. Step 2: Convert to fraction form
    199,644.09/275,501.61 = 108,998.39/x
  3. Step 3: Cross multiply
    199,644.09x = 275,501.61 × 108,998.39
  4. Step 4: Simplify right side
    199,644.09x = 30,029,230,554.90
  5. Step 5: Solve for x
    x = 30,029,230,554.90/199,644.09
  6. Step 6: Final answer
    x = 150,413.82

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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.