Finding the Fourth Proportional to 126,201.51, 174,161.37 and 68,841.80
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Solution
The fourth proportional to 126,201.51, 174,161.37 and 68,841.80 is: 95,003.47
Step by Step Solution
- Step 1: Write the proportion equation
126,201.51 : 174,161.37 = 68,841.80 : x - Step 2: Convert to fraction form
126,201.51/174,161.37 = 68,841.80/x - Step 3: Cross multiply
126,201.51x = 174,161.37 × 68,841.80 - Step 4: Simplify right side
126,201.51x = 11,989,580,986.25 - Step 5: Solve for x
x = 11,989,580,986.25/126,201.51 - Step 6: Final answer
x = 95,003.47
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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.