Finding the Fourth Proportional to 112,163.78, 167,850.68 and 70,063.68
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Solution
The fourth proportional to 112,163.78, 167,850.68 and 70,063.68 is: 104,848.79
Step by Step Solution
- Step 1: Write the proportion equation
112,163.78 : 167,850.68 = 70,063.68 : x - Step 2: Convert to fraction form
112,163.78/167,850.68 = 70,063.68/x - Step 3: Cross multiply
112,163.78x = 167,850.68 × 70,063.68 - Step 4: Simplify right side
112,163.78x = 11,760,236,331.30 - Step 5: Solve for x
x = 11,760,236,331.30/112,163.78 - Step 6: Final answer
x = 104,848.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.