Finding the Fourth Proportional to 102,706.44, 153,957.60 and 71,476.08
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Solution
The fourth proportional to 102,706.44, 153,957.60 and 71,476.08 is: 107,143.09
Step by Step Solution
- Step 1: Write the proportion equation
102,706.44 : 153,957.60 = 71,476.08 : x - Step 2: Convert to fraction form
102,706.44/153,957.60 = 71,476.08/x - Step 3: Cross multiply
102,706.44x = 153,957.60 × 71,476.08 - Step 4: Simplify right side
102,706.44x = 11,004,285,734.21 - Step 5: Solve for x
x = 11,004,285,734.21/102,706.44 - Step 6: Final answer
x = 107,143.09
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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.