Finding the Fourth Proportional to 106,903.80, 160,282.80 and 50,770.80
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Solution
The fourth proportional to 106,903.80, 160,282.80 and 50,770.80 is: 76,121.58
Step by Step Solution
- Step 1: Write the proportion equation
106,903.80 : 160,282.80 = 50,770.80 : x - Step 2: Convert to fraction form
106,903.80/160,282.80 = 50,770.80/x - Step 3: Cross multiply
106,903.80x = 160,282.80 × 50,770.80 - Step 4: Simplify right side
106,903.80x = 8,137,685,982.24 - Step 5: Solve for x
x = 8,137,685,982.24/106,903.80 - Step 6: Final answer
x = 76,121.58
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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.