Home / 198,310.21-297,212.59-92,896.81

Finding the Fourth Proportional to 198,310.21, 297,212.59 and 92,896.81

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Solution

The fourth proportional to 198,310.21, 297,212.59 and 92,896.81 is: 139,226.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,310.21 : 297,212.59 = 92,896.81 : x
  2. Step 2: Convert to fraction form
    198,310.21/297,212.59 = 92,896.81/x
  3. Step 3: Cross multiply
    198,310.21x = 297,212.59 × 92,896.81
  4. Step 4: Simplify right side
    198,310.21x = 27,610,101,502.84
  5. Step 5: Solve for x
    x = 27,610,101,502.84/198,310.21
  6. Step 6: Final answer
    x = 139,226.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.