Finding the Fourth Proportional to 167,163.19, 230,689.26 and 91,711.69
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Solution
The fourth proportional to 167,163.19, 230,689.26 and 91,711.69 is: 126,564.36
Step by Step Solution
- Step 1: Write the proportion equation
167,163.19 : 230,689.26 = 91,711.69 : x - Step 2: Convert to fraction form
167,163.19/230,689.26 = 91,711.69/x - Step 3: Cross multiply
167,163.19x = 230,689.26 × 91,711.69 - Step 4: Simplify right side
167,163.19x = 21,156,901,899.45 - Step 5: Solve for x
x = 21,156,901,899.45/167,163.19 - Step 6: Final answer
x = 126,564.36
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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.