Finding the Fourth Proportional to 102,902.99, 154,354.49 and 67,834.44
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Solution
The fourth proportional to 102,902.99, 154,354.49 and 67,834.44 is: 101,751.66
Step by Step Solution
- Step 1: Write the proportion equation
102,902.99 : 154,354.49 = 67,834.44 : x - Step 2: Convert to fraction form
102,902.99/154,354.49 = 67,834.44/x - Step 3: Cross multiply
102,902.99x = 154,354.49 × 67,834.44 - Step 4: Simplify right side
102,902.99x = 10,470,550,051.46 - Step 5: Solve for x
x = 10,470,550,051.46/102,902.99 - Step 6: Final answer
x = 101,751.66
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1.5x scale
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.