Home / 199,159.05-274,836.03-108,515.76

Finding the Fourth Proportional to 199,159.05, 274,836.03 and 108,515.76

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Solution

The fourth proportional to 199,159.05, 274,836.03 and 108,515.76 is: 149,749.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,159.05 : 274,836.03 = 108,515.76 : x
  2. Step 2: Convert to fraction form
    199,159.05/274,836.03 = 108,515.76/x
  3. Step 3: Cross multiply
    199,159.05x = 274,836.03 × 108,515.76
  4. Step 4: Simplify right side
    199,159.05x = 29,824,040,670.83
  5. Step 5: Solve for x
    x = 29,824,040,670.83/199,159.05
  6. Step 6: Final answer
    x = 149,749.86

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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.