Home / 199,009.38-274,544.10-134,457.78

Finding the Fourth Proportional to 199,009.38, 274,544.10 and 134,457.78

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Solution

The fourth proportional to 199,009.38, 274,544.10 and 134,457.78 is: 185,491.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,009.38 : 274,544.10 = 134,457.78 : x
  2. Step 2: Convert to fraction form
    199,009.38/274,544.10 = 134,457.78/x
  3. Step 3: Cross multiply
    199,009.38x = 274,544.10 × 134,457.78
  4. Step 4: Simplify right side
    199,009.38x = 36,914,590,198.10
  5. Step 5: Solve for x
    x = 36,914,590,198.10/199,009.38
  6. Step 6: Final answer
    x = 185,491.71

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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.