Finding the Fourth Proportional to 168,152.99, 252,163.87 and 73,412.15
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Solution
The fourth proportional to 168,152.99, 252,163.87 and 73,412.15 is: 110,089.58
Step by Step Solution
- Step 1: Write the proportion equation
168,152.99 : 252,163.87 = 73,412.15 : x - Step 2: Convert to fraction form
168,152.99/252,163.87 = 73,412.15/x - Step 3: Cross multiply
168,152.99x = 252,163.87 × 73,412.15 - Step 4: Simplify right side
168,152.99x = 18,511,891,849.02 - Step 5: Solve for x
x = 18,511,891,849.02/168,152.99 - Step 6: Final answer
x = 110,089.58
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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.