Home / 199,865.75-275,818.35-109,225.54

Finding the Fourth Proportional to 199,865.75, 275,818.35 and 109,225.54

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Solution

The fourth proportional to 199,865.75, 275,818.35 and 109,225.54 is: 150,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,865.75 : 275,818.35 = 109,225.54 : x
  2. Step 2: Convert to fraction form
    199,865.75/275,818.35 = 109,225.54/x
  3. Step 3: Cross multiply
    199,865.75x = 275,818.35 × 109,225.54
  4. Step 4: Simplify right side
    199,865.75x = 30,126,408,220.66
  5. Step 5: Solve for x
    x = 30,126,408,220.66/199,865.75
  6. Step 6: Final answer
    x = 150,733.22

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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.