Finding the Fourth Proportional to 146,963.50, 202,811.07 and 79,896.94
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Solution
The fourth proportional to 146,963.50, 202,811.07 and 79,896.94 is: 110,258.56
Step by Step Solution
- Step 1: Write the proportion equation
146,963.50 : 202,811.07 = 79,896.94 : x - Step 2: Convert to fraction form
146,963.50/202,811.07 = 79,896.94/x - Step 3: Cross multiply
146,963.50x = 202,811.07 × 79,896.94 - Step 4: Simplify right side
146,963.50x = 16,203,983,891.13 - Step 5: Solve for x
x = 16,203,983,891.13/146,963.50 - Step 6: Final answer
x = 110,258.56
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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.