Finding the Fourth Proportional to 107,927.80, 161,891.70 and 107,236.60
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Solution
The fourth proportional to 107,927.80, 161,891.70 and 107,236.60 is: 160,854.90
Step by Step Solution
- Step 1: Write the proportion equation
107,927.80 : 161,891.70 = 107,236.60 : x - Step 2: Convert to fraction form
107,927.80/161,891.70 = 107,236.60/x - Step 3: Cross multiply
107,927.80x = 161,891.70 × 107,236.60 - Step 4: Simplify right side
107,927.80x = 17,360,715,476.22 - Step 5: Solve for x
x = 17,360,715,476.22/107,927.80 - Step 6: Final answer
x = 160,854.90
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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.