Finding the Fourth Proportional to 107,845.97, 148,765.57 and 67,489.65
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Solution
The fourth proportional to 107,845.97, 148,765.57 and 67,489.65 is: 93,097.00
Step by Step Solution
- Step 1: Write the proportion equation
107,845.97 : 148,765.57 = 67,489.65 : x - Step 2: Convert to fraction form
107,845.97/148,765.57 = 67,489.65/x - Step 3: Cross multiply
107,845.97x = 148,765.57 × 67,489.65 - Step 4: Simplify right side
107,845.97x = 10,040,136,082.63 - Step 5: Solve for x
x = 10,040,136,082.63/107,845.97 - Step 6: Final answer
x = 93,097.00
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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.