Finding the Fourth Proportional to 126,161.82, 189,074.62 and 59,619.62
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Solution
The fourth proportional to 126,161.82, 189,074.62 and 59,619.62 is: 89,349.99
Step by Step Solution
- Step 1: Write the proportion equation
126,161.82 : 189,074.62 = 59,619.62 : x - Step 2: Convert to fraction form
126,161.82/189,074.62 = 59,619.62/x - Step 3: Cross multiply
126,161.82x = 189,074.62 × 59,619.62 - Step 4: Simplify right side
126,161.82x = 11,272,556,996.04 - Step 5: Solve for x
x = 11,272,556,996.04/126,161.82 - Step 6: Final answer
x = 89,349.99
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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.