Finding the Fourth Proportional to 127,859.97, 191,845.26 and 68,626.44
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Solution
The fourth proportional to 127,859.97, 191,845.26 and 68,626.44 is: 102,969.35
Step by Step Solution
- Step 1: Write the proportion equation
127,859.97 : 191,845.26 = 68,626.44 : x - Step 2: Convert to fraction form
127,859.97/191,845.26 = 68,626.44/x - Step 3: Cross multiply
127,859.97x = 191,845.26 × 68,626.44 - Step 4: Simplify right side
127,859.97x = 13,165,657,224.67 - Step 5: Solve for x
x = 13,165,657,224.67/127,859.97 - Step 6: Final answer
x = 102,969.35
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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.