Finding the Fourth Proportional to 126,201.26, 174,161.02 and 68,841.55
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Solution
The fourth proportional to 126,201.26, 174,161.02 and 68,841.55 is: 95,003.12
Step by Step Solution
- Step 1: Write the proportion equation
126,201.26 : 174,161.02 = 68,841.55 : x - Step 2: Convert to fraction form
126,201.26/174,161.02 = 68,841.55/x - Step 3: Cross multiply
126,201.26x = 174,161.02 × 68,841.55 - Step 4: Simplify right side
126,201.26x = 11,989,513,761.40 - Step 5: Solve for x
x = 11,989,513,761.40/126,201.26 - Step 6: Final answer
x = 95,003.12
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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.