Finding the Fourth Proportional to 106,126.72, 158,874.24 and 68,614.08
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Solution
The fourth proportional to 106,126.72, 158,874.24 and 68,614.08 is: 102,716.92
Step by Step Solution
- Step 1: Write the proportion equation
106,126.72 : 158,874.24 = 68,614.08 : x - Step 2: Convert to fraction form
106,126.72/158,874.24 = 68,614.08/x - Step 3: Cross multiply
106,126.72x = 158,874.24 × 68,614.08 - Step 4: Simplify right side
106,126.72x = 10,901,009,813.30 - Step 5: Solve for x
x = 10,901,009,813.30/106,126.72 - Step 6: Final answer
x = 102,716.92
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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.