Finding the Fourth Proportional to 146,161.68, 201,703.32 and 79,093.68
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Solution
The fourth proportional to 146,161.68, 201,703.32 and 79,093.68 is: 109,149.39
Step by Step Solution
- Step 1: Write the proportion equation
146,161.68 : 201,703.32 = 79,093.68 : x - Step 2: Convert to fraction form
146,161.68/201,703.32 = 79,093.68/x - Step 3: Cross multiply
146,161.68x = 201,703.32 × 79,093.68 - Step 4: Simplify right side
146,161.68x = 15,953,457,847.02 - Step 5: Solve for x
x = 15,953,457,847.02/146,161.68 - Step 6: Final answer
x = 109,149.39
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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.