Finding the Fourth Proportional to 126,112.14, 174,029.34 and 68,750.07
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Solution
The fourth proportional to 126,112.14, 174,029.34 and 68,750.07 is: 94,872.14
Step by Step Solution
- Step 1: Write the proportion equation
126,112.14 : 174,029.34 = 68,750.07 : x - Step 2: Convert to fraction form
126,112.14/174,029.34 = 68,750.07/x - Step 3: Cross multiply
126,112.14x = 174,029.34 × 68,750.07 - Step 4: Simplify right side
126,112.14x = 11,964,528,912.26 - Step 5: Solve for x
x = 11,964,528,912.26/126,112.14 - Step 6: Final answer
x = 94,872.14
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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.