Home / 198,063.88-273,328.60-113,180.74

Finding the Fourth Proportional to 198,063.88, 273,328.60 and 113,180.74

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Solution

The fourth proportional to 198,063.88, 273,328.60 and 113,180.74 is: 156,189.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,063.88 : 273,328.60 = 113,180.74 : x
  2. Step 2: Convert to fraction form
    198,063.88/273,328.60 = 113,180.74/x
  3. Step 3: Cross multiply
    198,063.88x = 273,328.60 × 113,180.74
  4. Step 4: Simplify right side
    198,063.88x = 30,935,533,211.16
  5. Step 5: Solve for x
    x = 30,935,533,211.16/198,063.88
  6. Step 6: Final answer
    x = 156,189.68

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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.