Finding the Fourth Proportional to 106,755.67, 160,190.61 and 69,306.94
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Solution
The fourth proportional to 106,755.67, 160,190.61 and 69,306.94 is: 103,997.49
Step by Step Solution
- Step 1: Write the proportion equation
106,755.67 : 160,190.61 = 69,306.94 : x - Step 2: Convert to fraction form
106,755.67/160,190.61 = 69,306.94/x - Step 3: Cross multiply
106,755.67x = 160,190.61 × 69,306.94 - Step 4: Simplify right side
106,755.67x = 11,102,321,326.02 - Step 5: Solve for x
x = 11,102,321,326.02/106,755.67 - Step 6: Final answer
x = 103,997.49
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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.