Finding the Fourth Proportional to 125,692.68, 173,456.55 and 69,107.70
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Solution
The fourth proportional to 125,692.68, 173,456.55 and 69,107.70 is: 95,368.98
Step by Step Solution
- Step 1: Write the proportion equation
125,692.68 : 173,456.55 = 69,107.70 : x - Step 2: Convert to fraction form
125,692.68/173,456.55 = 69,107.70/x - Step 3: Cross multiply
125,692.68x = 173,456.55 × 69,107.70 - Step 4: Simplify right side
125,692.68x = 11,987,183,220.44 - Step 5: Solve for x
x = 11,987,183,220.44/125,692.68 - Step 6: Final answer
x = 95,368.98
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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.