Home / 199,821.98-275,751.12-109,176

Finding the Fourth Proportional to 199,821.98, 275,751.12 and 109,176

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Solution

The fourth proportional to 199,821.98, 275,751.12 and 109,176 is: 150,661.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,821.98 : 275,751.12 = 109,176 : x
  2. Step 2: Convert to fraction form
    199,821.98/275,751.12 = 109,176/x
  3. Step 3: Cross multiply
    199,821.98x = 275,751.12 × 109,176
  4. Step 4: Simplify right side
    199,821.98x = 30,105,404,277.12
  5. Step 5: Solve for x
    x = 30,105,404,277.12/199,821.98
  6. Step 6: Final answer
    x = 150,661.12

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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.