Finding the Fourth Proportional to 106,112.90, 159,185.18 and 35,043.08
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Solution
The fourth proportional to 106,112.90, 159,185.18 and 35,043.08 is: 52,569.84
Step by Step Solution
- Step 1: Write the proportion equation
106,112.90 : 159,185.18 = 35,043.08 : x - Step 2: Convert to fraction form
106,112.90/159,185.18 = 35,043.08/x - Step 3: Cross multiply
106,112.90x = 159,185.18 × 35,043.08 - Step 4: Simplify right side
106,112.90x = 5,578,338,289.24 - Step 5: Solve for x
x = 5,578,338,289.24/106,112.90 - Step 6: Final answer
x = 52,569.84
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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.