Finding the Fourth Proportional to 106,612.13, 159,919.01 and 36,492.05
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Solution
The fourth proportional to 106,612.13, 159,919.01 and 36,492.05 is: 54,738.35
Step by Step Solution
- Step 1: Write the proportion equation
106,612.13 : 159,919.01 = 36,492.05 : x - Step 2: Convert to fraction form
106,612.13/159,919.01 = 36,492.05/x - Step 3: Cross multiply
106,612.13x = 159,919.01 × 36,492.05 - Step 4: Simplify right side
106,612.13x = 5,835,771,526.82 - Step 5: Solve for x
x = 5,835,771,526.82/106,612.13 - Step 6: Final answer
x = 54,738.35
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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.