Home / 205,740.91-283,909.13-115,081.33

Finding the Fourth Proportional to 205,740.91, 283,909.13 and 115,081.33

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Solution

The fourth proportional to 205,740.91, 283,909.13 and 115,081.33 is: 158,804.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,740.91 : 283,909.13 = 115,081.33 : x
  2. Step 2: Convert to fraction form
    205,740.91/283,909.13 = 115,081.33/x
  3. Step 3: Cross multiply
    205,740.91x = 283,909.13 × 115,081.33
  4. Step 4: Simplify right side
    205,740.91x = 32,672,640,433.08
  5. Step 5: Solve for x
    x = 32,672,640,433.08/205,740.91
  6. Step 6: Final answer
    x = 158,804.78

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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.