Finding the Fourth Proportional to 135,522.92, 203,123.09 and 102,132.90
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Solution
The fourth proportional to 135,522.92, 203,123.09 and 102,132.90 is: 153,077.80
Step by Step Solution
- Step 1: Write the proportion equation
135,522.92 : 203,123.09 = 102,132.90 : x - Step 2: Convert to fraction form
135,522.92/203,123.09 = 102,132.90/x - Step 3: Cross multiply
135,522.92x = 203,123.09 × 102,132.90 - Step 4: Simplify right side
135,522.92x = 20,745,550,493.99 - Step 5: Solve for x
x = 20,745,550,493.99/135,522.92 - Step 6: Final answer
x = 153,077.80
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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.