Finding the Fourth Proportional to 146,877.75, 202,692.51 and 79,809.75
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Solution
The fourth proportional to 146,877.75, 202,692.51 and 79,809.75 is: 110,138.12
Step by Step Solution
- Step 1: Write the proportion equation
146,877.75 : 202,692.51 = 79,809.75 : x - Step 2: Convert to fraction form
146,877.75/202,692.51 = 79,809.75/x - Step 3: Cross multiply
146,877.75x = 202,692.51 × 79,809.75 - Step 4: Simplify right side
146,877.75x = 16,176,838,549.97 - Step 5: Solve for x
x = 16,176,838,549.97/146,877.75 - Step 6: Final answer
x = 110,138.12
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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.