Finding the Fourth Proportional to 118,975.63, 164,186.36 and 68,674.63
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Solution
The fourth proportional to 118,975.63, 164,186.36 and 68,674.63 is: 94,770.98
Step by Step Solution
- Step 1: Write the proportion equation
118,975.63 : 164,186.36 = 68,674.63 : x - Step 2: Convert to fraction form
118,975.63/164,186.36 = 68,674.63/x - Step 3: Cross multiply
118,975.63x = 164,186.36 × 68,674.63 - Step 4: Simplify right side
118,975.63x = 11,275,437,524.05 - Step 5: Solve for x
x = 11,275,437,524.05/118,975.63 - Step 6: Final answer
x = 94,770.98
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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.