Home / 198,063.75-273,328.43-113,180.61

Finding the Fourth Proportional to 198,063.75, 273,328.43 and 113,180.61

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Solution

The fourth proportional to 198,063.75, 273,328.43 and 113,180.61 is: 156,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,063.75 : 273,328.43 = 113,180.61 : x
  2. Step 2: Convert to fraction form
    198,063.75/273,328.43 = 113,180.61/x
  3. Step 3: Cross multiply
    198,063.75x = 273,328.43 × 113,180.61
  4. Step 4: Simplify right side
    198,063.75x = 30,935,477,871.84
  5. Step 5: Solve for x
    x = 30,935,477,871.84/198,063.75
  6. Step 6: Final answer
    x = 156,189.50

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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.