Finding the Fourth Proportional to 126,295.44, 174,286.86 and 69,706.80
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Solution
The fourth proportional to 126,295.44, 174,286.86 and 69,706.80 is: 96,194.92
Step by Step Solution
- Step 1: Write the proportion equation
126,295.44 : 174,286.86 = 69,706.80 : x - Step 2: Convert to fraction form
126,295.44/174,286.86 = 69,706.80/x - Step 3: Cross multiply
126,295.44x = 174,286.86 × 69,706.80 - Step 4: Simplify right side
126,295.44x = 12,148,979,292.65 - Step 5: Solve for x
x = 12,148,979,292.65/126,295.44 - Step 6: Final answer
x = 96,194.92
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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.