Home / 199,133.68-274,803.67-108,489.37

Finding the Fourth Proportional to 199,133.68, 274,803.67 and 108,489.37

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Solution

The fourth proportional to 199,133.68, 274,803.67 and 108,489.37 is: 149,714.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,133.68 : 274,803.67 = 108,489.37 : x
  2. Step 2: Convert to fraction form
    199,133.68/274,803.67 = 108,489.37/x
  3. Step 3: Cross multiply
    199,133.68x = 274,803.67 × 108,489.37
  4. Step 4: Simplify right side
    199,133.68x = 29,813,277,031.99
  5. Step 5: Solve for x
    x = 29,813,277,031.99/199,133.68
  6. Step 6: Final answer
    x = 149,714.89

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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.