Finding the Fourth Proportional to 131,187.33, 181,022.40 and 82,770.99
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Solution
The fourth proportional to 131,187.33, 181,022.40 and 82,770.99 is: 114,213.80
Step by Step Solution
- Step 1: Write the proportion equation
131,187.33 : 181,022.40 = 82,770.99 : x - Step 2: Convert to fraction form
131,187.33/181,022.40 = 82,770.99/x - Step 3: Cross multiply
131,187.33x = 181,022.40 × 82,770.99 - Step 4: Simplify right side
131,187.33x = 14,983,402,974.07 - Step 5: Solve for x
x = 14,983,402,974.07/131,187.33 - Step 6: Final answer
x = 114,213.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.