Finding the Fourth Proportional to 106,759.42, 159,806.94 and 67,233.46
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Solution
The fourth proportional to 106,759.42, 159,806.94 and 67,233.46 is: 100,640.99
Step by Step Solution
- Step 1: Write the proportion equation
106,759.42 : 159,806.94 = 67,233.46 : x - Step 2: Convert to fraction form
106,759.42/159,806.94 = 67,233.46/x - Step 3: Cross multiply
106,759.42x = 159,806.94 × 67,233.46 - Step 4: Simplify right side
106,759.42x = 10,744,373,508.21 - Step 5: Solve for x
x = 10,744,373,508.21/106,759.42 - Step 6: Final answer
x = 100,640.99
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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.