Home / 199,835.22-275,764.05-109,189.74

Finding the Fourth Proportional to 199,835.22, 275,764.05 and 109,189.74

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Solution

The fourth proportional to 199,835.22, 275,764.05 and 109,189.74 is: 150,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,835.22 : 275,764.05 = 109,189.74 : x
  2. Step 2: Convert to fraction form
    199,835.22/275,764.05 = 109,189.74/x
  3. Step 3: Cross multiply
    199,835.22x = 275,764.05 × 109,189.74
  4. Step 4: Simplify right side
    199,835.22x = 30,110,604,920.85
  5. Step 5: Solve for x
    x = 30,110,604,920.85/199,835.22
  6. Step 6: Final answer
    x = 150,677.17

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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.