Finding the Fourth Proportional to 109,362.87, 149,936.46 and 107,369.96
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Solution
The fourth proportional to 109,362.87, 149,936.46 and 107,369.96 is: 147,204.17
Step by Step Solution
- Step 1: Write the proportion equation
109,362.87 : 149,936.46 = 107,369.96 : x - Step 2: Convert to fraction form
109,362.87/149,936.46 = 107,369.96/x - Step 3: Cross multiply
109,362.87x = 149,936.46 × 107,369.96 - Step 4: Simplify right side
109,362.87x = 16,098,670,963.06 - Step 5: Solve for x
x = 16,098,670,963.06/109,362.87 - Step 6: Final answer
x = 147,204.17
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.