Finding the Fourth Proportional to 106,186.67, 159,353.78 and 68,653.65
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Solution
The fourth proportional to 106,186.67, 159,353.78 and 68,653.65 is: 103,028.17
Step by Step Solution
- Step 1: Write the proportion equation
106,186.67 : 159,353.78 = 68,653.65 : x - Step 2: Convert to fraction form
106,186.67/159,353.78 = 68,653.65/x - Step 3: Cross multiply
106,186.67x = 159,353.78 × 68,653.65 - Step 4: Simplify right side
106,186.67x = 10,940,218,295.03 - Step 5: Solve for x
x = 10,940,218,295.03/106,186.67 - Step 6: Final answer
x = 103,028.17
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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.