Finding the Fourth Proportional to 119,910.44, 179,862.74 and 31,163.64
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Solution
The fourth proportional to 119,910.44, 179,862.74 and 31,163.64 is: 46,744.70
Step by Step Solution
- Step 1: Write the proportion equation
119,910.44 : 179,862.74 = 31,163.64 : x - Step 2: Convert to fraction form
119,910.44/179,862.74 = 31,163.64/x - Step 3: Cross multiply
119,910.44x = 179,862.74 × 31,163.64 - Step 4: Simplify right side
119,910.44x = 5,605,177,678.77 - Step 5: Solve for x
x = 5,605,177,678.77/119,910.44 - Step 6: Final answer
x = 46,744.70
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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.