Finding the Fourth Proportional to 167,883.62, 231,674.97 and 91,401.03
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Solution
The fourth proportional to 167,883.62, 231,674.97 and 91,401.03 is: 126,131.02
Step by Step Solution
- Step 1: Write the proportion equation
167,883.62 : 231,674.97 = 91,401.03 : x - Step 2: Convert to fraction form
167,883.62/231,674.97 = 91,401.03/x - Step 3: Cross multiply
167,883.62x = 231,674.97 × 91,401.03 - Step 4: Simplify right side
167,883.62x = 21,175,330,883.22 - Step 5: Solve for x
x = 21,175,330,883.22/167,883.62 - Step 6: Final answer
x = 126,131.02
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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.