Finding the Fourth Proportional to 106,868.16, 160,300.80 and 51,295.68
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Solution
The fourth proportional to 106,868.16, 160,300.80 and 51,295.68 is: 76,942.83
Step by Step Solution
- Step 1: Write the proportion equation
106,868.16 : 160,300.80 = 51,295.68 : x - Step 2: Convert to fraction form
106,868.16/160,300.80 = 51,295.68/x - Step 3: Cross multiply
106,868.16x = 160,300.80 × 51,295.68 - Step 4: Simplify right side
106,868.16x = 8,222,738,540.54 - Step 5: Solve for x
x = 8,222,738,540.54/106,868.16 - Step 6: Final answer
x = 76,942.83
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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.