Home / 199,259.76-274,976.67-108,615.72

Finding the Fourth Proportional to 199,259.76, 274,976.67 and 108,615.72

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Solution

The fourth proportional to 199,259.76, 274,976.67 and 108,615.72 is: 149,888.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,259.76 : 274,976.67 = 108,615.72 : x
  2. Step 2: Convert to fraction form
    199,259.76/274,976.67 = 108,615.72/x
  3. Step 3: Cross multiply
    199,259.76x = 274,976.67 × 108,615.72
  4. Step 4: Simplify right side
    199,259.76x = 29,866,788,995.25
  5. Step 5: Solve for x
    x = 29,866,788,995.25/199,259.76
  6. Step 6: Final answer
    x = 149,888.71

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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.