Finding the Fourth Proportional to 111,910.94, 167,866.64 and 92,147.99
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Solution
The fourth proportional to 111,910.94, 167,866.64 and 92,147.99 is: 138,222.17
Step by Step Solution
- Step 1: Write the proportion equation
111,910.94 : 167,866.64 = 92,147.99 : x - Step 2: Convert to fraction form
111,910.94/167,866.64 = 92,147.99/x - Step 3: Cross multiply
111,910.94x = 167,866.64 × 92,147.99 - Step 4: Simplify right side
111,910.94x = 15,468,572,163.98 - Step 5: Solve for x
x = 15,468,572,163.98/111,910.94 - Step 6: Final answer
x = 138,222.17
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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.