Finding the Fourth Proportional to 107,814.10, 161,796.19 and 44,634.55
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Solution
The fourth proportional to 107,814.10, 161,796.19 and 44,634.55 is: 66,982.88
Step by Step Solution
- Step 1: Write the proportion equation
107,814.10 : 161,796.19 = 44,634.55 : x - Step 2: Convert to fraction form
107,814.10/161,796.19 = 44,634.55/x - Step 3: Cross multiply
107,814.10x = 161,796.19 × 44,634.55 - Step 4: Simplify right side
107,814.10x = 7,221,699,100.21 - Step 5: Solve for x
x = 7,221,699,100.21/107,814.10 - Step 6: Final answer
x = 66,982.88
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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.