Finding the Fourth Proportional to 106,623.98, 159,936.16 and 27,738.08
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Solution
The fourth proportional to 106,623.98, 159,936.16 and 27,738.08 is: 41,607.17
Step by Step Solution
- Step 1: Write the proportion equation
106,623.98 : 159,936.16 = 27,738.08 : x - Step 2: Convert to fraction form
106,623.98/159,936.16 = 27,738.08/x - Step 3: Cross multiply
106,623.98x = 159,936.16 × 27,738.08 - Step 4: Simplify right side
106,623.98x = 4,436,322,000.97 - Step 5: Solve for x
x = 4,436,322,000.97/106,623.98 - Step 6: Final answer
x = 41,607.17
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1.5x scale
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.