Home / 205,743.56-283,914.63-115,081.98

Finding the Fourth Proportional to 205,743.56, 283,914.63 and 115,081.98

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Solution

The fourth proportional to 205,743.56, 283,914.63 and 115,081.98 is: 158,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,743.56 : 283,914.63 = 115,081.98 : x
  2. Step 2: Convert to fraction form
    205,743.56/283,914.63 = 115,081.98/x
  3. Step 3: Cross multiply
    205,743.56x = 283,914.63 × 115,081.98
  4. Step 4: Simplify right side
    205,743.56x = 32,673,457,771.37
  5. Step 5: Solve for x
    x = 32,673,457,771.37/205,743.56
  6. Step 6: Final answer
    x = 158,806.71

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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.