Home / 198,137.69-273,429.98-113,256.58

Finding the Fourth Proportional to 198,137.69, 273,429.98 and 113,256.58

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Solution

The fourth proportional to 198,137.69, 273,429.98 and 113,256.58 is: 156,294.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,137.69 : 273,429.98 = 113,256.58 : x
  2. Step 2: Convert to fraction form
    198,137.69/273,429.98 = 113,256.58/x
  3. Step 3: Cross multiply
    198,137.69x = 273,429.98 × 113,256.58
  4. Step 4: Simplify right side
    198,137.69x = 30,967,743,037.12
  5. Step 5: Solve for x
    x = 30,967,743,037.12/198,137.69
  6. Step 6: Final answer
    x = 156,294.06

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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.