Finding the Fourth Proportional to 156,912.75, 235,236.45 and 68,099.49
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Solution
The fourth proportional to 156,912.75, 235,236.45 and 68,099.49 is: 102,091.65
Step by Step Solution
- Step 1: Write the proportion equation
156,912.75 : 235,236.45 = 68,099.49 : x - Step 2: Convert to fraction form
156,912.75/235,236.45 = 68,099.49/x - Step 3: Cross multiply
156,912.75x = 235,236.45 × 68,099.49 - Step 4: Simplify right side
156,912.75x = 16,019,482,274.41 - Step 5: Solve for x
x = 16,019,482,274.41/156,912.75 - Step 6: Final answer
x = 102,091.65
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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.