Finding the Fourth Proportional to 129,911.94, 194,873.39 and 41,163.48
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Solution
The fourth proportional to 129,911.94, 194,873.39 and 41,163.48 is: 61,746.95
Step by Step Solution
- Step 1: Write the proportion equation
129,911.94 : 194,873.39 = 41,163.48 : x - Step 2: Convert to fraction form
129,911.94/194,873.39 = 41,163.48/x - Step 3: Cross multiply
129,911.94x = 194,873.39 × 41,163.48 - Step 4: Simplify right side
129,911.94x = 8,021,666,685.98 - Step 5: Solve for x
x = 8,021,666,685.98/129,911.94 - Step 6: Final answer
x = 61,746.95
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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.