Finding the Fourth Proportional to 115,011.88, 158,692.49 and 67,255.99
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Solution
The fourth proportional to 115,011.88, 158,692.49 and 67,255.99 is: 92,799.29
Step by Step Solution
- Step 1: Write the proportion equation
115,011.88 : 158,692.49 = 67,255.99 : x - Step 2: Convert to fraction form
115,011.88/158,692.49 = 67,255.99/x - Step 3: Cross multiply
115,011.88x = 158,692.49 × 67,255.99 - Step 4: Simplify right side
115,011.88x = 10,673,020,520.52 - Step 5: Solve for x
x = 10,673,020,520.52/115,011.88 - Step 6: Final answer
x = 92,799.29
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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.