Finding the Fourth Proportional to 133,072.07, 199,608.11 and 106,292.68
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Solution
The fourth proportional to 133,072.07, 199,608.11 and 106,292.68 is: 159,439.02
Step by Step Solution
- Step 1: Write the proportion equation
133,072.07 : 199,608.11 = 106,292.68 : x - Step 2: Convert to fraction form
133,072.07/199,608.11 = 106,292.68/x - Step 3: Cross multiply
133,072.07x = 199,608.11 × 106,292.68 - Step 4: Simplify right side
133,072.07x = 21,216,880,049.05 - Step 5: Solve for x
x = 21,216,880,049.05/133,072.07 - Step 6: Final answer
x = 159,439.02
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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.