Finding the Fourth Proportional to 107,086.68, 160,631.88 and 28,197.96
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Solution
The fourth proportional to 107,086.68, 160,631.88 and 28,197.96 is: 42,297.43
Step by Step Solution
- Step 1: Write the proportion equation
107,086.68 : 160,631.88 = 28,197.96 : x - Step 2: Convert to fraction form
107,086.68/160,631.88 = 28,197.96/x - Step 3: Cross multiply
107,086.68x = 160,631.88 × 28,197.96 - Step 4: Simplify right side
107,086.68x = 4,529,491,326.96 - Step 5: Solve for x
x = 4,529,491,326.96/107,086.68 - Step 6: Final answer
x = 42,297.43
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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.