Finding the Fourth Proportional to 102,763.70, 154,157.92 and 36,190.08
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Solution
The fourth proportional to 102,763.70, 154,157.92 and 36,190.08 is: 54,289.48
Step by Step Solution
- Step 1: Write the proportion equation
102,763.70 : 154,157.92 = 36,190.08 : x - Step 2: Convert to fraction form
102,763.70/154,157.92 = 36,190.08/x - Step 3: Cross multiply
102,763.70x = 154,157.92 × 36,190.08 - Step 4: Simplify right side
102,763.70x = 5,578,987,457.43 - Step 5: Solve for x
x = 5,578,987,457.43/102,763.70 - Step 6: Final answer
x = 54,289.48
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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.