Home / 199,808.07-275,754.21-109,177.82

Finding the Fourth Proportional to 199,808.07, 275,754.21 and 109,177.82

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Solution

The fourth proportional to 199,808.07, 275,754.21 and 109,177.82 is: 150,675.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,808.07 : 275,754.21 = 109,177.82 : x
  2. Step 2: Convert to fraction form
    199,808.07/275,754.21 = 109,177.82/x
  3. Step 3: Cross multiply
    199,808.07x = 275,754.21 × 109,177.82
  4. Step 4: Simplify right side
    199,808.07x = 30,106,242,124.85
  5. Step 5: Solve for x
    x = 30,106,242,124.85/199,808.07
  6. Step 6: Final answer
    x = 150,675.81

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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.