Finding the Fourth Proportional to 107,087.18, 160,589.24 and 57,140.03
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Solution
The fourth proportional to 107,087.18, 160,589.24 and 57,140.03 is: 85,687.88
Step by Step Solution
- Step 1: Write the proportion equation
107,087.18 : 160,589.24 = 57,140.03 : x - Step 2: Convert to fraction form
107,087.18/160,589.24 = 57,140.03/x - Step 3: Cross multiply
107,087.18x = 160,589.24 × 57,140.03 - Step 4: Simplify right side
107,087.18x = 9,176,072,902.63 - Step 5: Solve for x
x = 9,176,072,902.63/107,087.18 - Step 6: Final answer
x = 85,687.88
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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.