Finding the Fourth Proportional to 146,229.19, 201,796.80 and 79,161.19
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Solution
The fourth proportional to 146,229.19, 201,796.80 and 79,161.19 is: 109,242.72
Step by Step Solution
- Step 1: Write the proportion equation
146,229.19 : 201,796.80 = 79,161.19 : x - Step 2: Convert to fraction form
146,229.19/201,796.80 = 79,161.19/x - Step 3: Cross multiply
146,229.19x = 201,796.80 × 79,161.19 - Step 4: Simplify right side
146,229.19x = 15,974,474,826.19 - Step 5: Solve for x
x = 15,974,474,826.19/146,229.19 - Step 6: Final answer
x = 109,242.72
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1.5x scale
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.