Finding the Fourth Proportional to 106,163.75, 159,270.23 and 36,043.07
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Solution
The fourth proportional to 106,163.75, 159,270.23 and 36,043.07 is: 54,072.96
Step by Step Solution
- Step 1: Write the proportion equation
106,163.75 : 159,270.23 = 36,043.07 : x - Step 2: Convert to fraction form
106,163.75/159,270.23 = 36,043.07/x - Step 3: Cross multiply
106,163.75x = 159,270.23 × 36,043.07 - Step 4: Simplify right side
106,163.75x = 5,740,588,048.81 - Step 5: Solve for x
x = 5,740,588,048.81/106,163.75 - Step 6: Final answer
x = 54,072.96
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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.