Finding the Fourth Proportional to 146,176.11, 201,722.64 and 79,108.11
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Solution
The fourth proportional to 146,176.11, 201,722.64 and 79,108.11 is: 109,168.98
Step by Step Solution
- Step 1: Write the proportion equation
146,176.11 : 201,722.64 = 79,108.11 : x - Step 2: Convert to fraction form
146,176.11/201,722.64 = 79,108.11/x - Step 3: Cross multiply
146,176.11x = 201,722.64 × 79,108.11 - Step 4: Simplify right side
146,176.11x = 15,957,896,399.07 - Step 5: Solve for x
x = 15,957,896,399.07/146,176.11 - Step 6: Final answer
x = 109,168.98
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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.