Home / 205,377.26-308,100.91-91,566.36

Finding the Fourth Proportional to 205,377.26, 308,100.91 and 91,566.36

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Solution

The fourth proportional to 205,377.26, 308,100.91 and 91,566.36 is: 137,365.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,377.26 : 308,100.91 = 91,566.36 : x
  2. Step 2: Convert to fraction form
    205,377.26/308,100.91 = 91,566.36/x
  3. Step 3: Cross multiply
    205,377.26x = 308,100.91 × 91,566.36
  4. Step 4: Simplify right side
    205,377.26x = 28,211,678,841.39
  5. Step 5: Solve for x
    x = 28,211,678,841.39/205,377.26
  6. Step 6: Final answer
    x = 137,365.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.