Finding the Fourth Proportional to 126,272.93, 174,257.60 and 68,912.69
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Solution
The fourth proportional to 126,272.93, 174,257.60 and 68,912.69 is: 95,100.03
Step by Step Solution
- Step 1: Write the proportion equation
126,272.93 : 174,257.60 = 68,912.69 : x - Step 2: Convert to fraction form
126,272.93/174,257.60 = 68,912.69/x - Step 3: Cross multiply
126,272.93x = 174,257.60 × 68,912.69 - Step 4: Simplify right side
126,272.93x = 12,008,558,753.09 - Step 5: Solve for x
x = 12,008,558,753.09/126,272.93 - Step 6: Final answer
x = 95,100.03
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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.