Finding the Fourth Proportional to 154,096.12, 212,788.11 and 96,834.99
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Solution
The fourth proportional to 154,096.12, 212,788.11 and 96,834.99 is: 133,717.42
Step by Step Solution
- Step 1: Write the proportion equation
154,096.12 : 212,788.11 = 96,834.99 : x - Step 2: Convert to fraction form
154,096.12/212,788.11 = 96,834.99/x - Step 3: Cross multiply
154,096.12x = 212,788.11 × 96,834.99 - Step 4: Simplify right side
154,096.12x = 20,605,335,665.06 - Step 5: Solve for x
x = 20,605,335,665.06/154,096.12 - Step 6: Final answer
x = 133,717.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.