Finding the Fourth Proportional to 116,121.63, 173,218.26 and 112,234.44
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Solution
The fourth proportional to 116,121.63, 173,218.26 and 112,234.44 is: 167,419.75
Step by Step Solution
- Step 1: Write the proportion equation
116,121.63 : 173,218.26 = 112,234.44 : x - Step 2: Convert to fraction form
116,121.63/173,218.26 = 112,234.44/x - Step 3: Cross multiply
116,121.63x = 173,218.26 × 112,234.44 - Step 4: Simplify right side
116,121.63x = 19,441,054,408.87 - Step 5: Solve for x
x = 19,441,054,408.87/116,121.63 - Step 6: Final answer
x = 167,419.75
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.