Finding the Fourth Proportional to 111,721.68, 167,529.77 and 40,594.77
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Solution
The fourth proportional to 111,721.68, 167,529.77 and 40,594.77 is: 60,872.99
Step by Step Solution
- Step 1: Write the proportion equation
111,721.68 : 167,529.77 = 40,594.77 : x - Step 2: Convert to fraction form
111,721.68/167,529.77 = 40,594.77/x - Step 3: Cross multiply
111,721.68x = 167,529.77 × 40,594.77 - Step 4: Simplify right side
111,721.68x = 6,800,832,430.56 - Step 5: Solve for x
x = 6,800,832,430.56/111,721.68 - Step 6: Final answer
x = 60,872.99
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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.