Finding the Fourth Proportional to 126,163.82, 189,077.62 and 59,621.62
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Solution
The fourth proportional to 126,163.82, 189,077.62 and 59,621.62 is: 89,352.99
Step by Step Solution
- Step 1: Write the proportion equation
126,163.82 : 189,077.62 = 59,621.62 : x - Step 2: Convert to fraction form
126,163.82/189,077.62 = 59,621.62/x - Step 3: Cross multiply
126,163.82x = 189,077.62 × 59,621.62 - Step 4: Simplify right side
126,163.82x = 11,273,114,010.14 - Step 5: Solve for x
x = 11,273,114,010.14/126,163.82 - Step 6: Final answer
x = 89,352.99
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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.