Finding the Fourth Proportional to 107,940.26, 161,909.26 and 36,862.09
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Solution
The fourth proportional to 107,940.26, 161,909.26 and 36,862.09 is: 55,292.74
Step by Step Solution
- Step 1: Write the proportion equation
107,940.26 : 161,909.26 = 36,862.09 : x - Step 2: Convert to fraction form
107,940.26/161,909.26 = 36,862.09/x - Step 3: Cross multiply
107,940.26x = 161,909.26 × 36,862.09 - Step 4: Simplify right side
107,940.26x = 5,968,313,217.03 - Step 5: Solve for x
x = 5,968,313,217.03/107,940.26 - Step 6: Final answer
x = 55,292.74
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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.