Finding the Fourth Proportional to 129,107.91, 193,692.99 and 44,855.81
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Solution
The fourth proportional to 129,107.91, 193,692.99 and 44,855.81 is: 67,294.53
Step by Step Solution
- Step 1: Write the proportion equation
129,107.91 : 193,692.99 = 44,855.81 : x - Step 2: Convert to fraction form
129,107.91/193,692.99 = 44,855.81/x - Step 3: Cross multiply
129,107.91x = 193,692.99 × 44,855.81 - Step 4: Simplify right side
129,107.91x = 8,688,255,343.56 - Step 5: Solve for x
x = 8,688,255,343.56/129,107.91 - Step 6: Final answer
x = 67,294.53
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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.