Finding the Fourth Proportional to 102,900.99, 154,351.48 and 67,832.44
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Solution
The fourth proportional to 102,900.99, 154,351.48 and 67,832.44 is: 101,748.66
Step by Step Solution
- Step 1: Write the proportion equation
102,900.99 : 154,351.48 = 67,832.44 : x - Step 2: Convert to fraction form
102,900.99/154,351.48 = 67,832.44/x - Step 3: Cross multiply
102,900.99x = 154,351.48 × 67,832.44 - Step 4: Simplify right side
102,900.99x = 10,470,037,336.43 - Step 5: Solve for x
x = 10,470,037,336.43/102,900.99 - Step 6: Final answer
x = 101,748.66
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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.