Finding the Fourth Proportional to 114,709.50, 158,324.42 and 63,739.75
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Solution
The fourth proportional to 114,709.50, 158,324.42 and 63,739.75 is: 87,974.92
Step by Step Solution
- Step 1: Write the proportion equation
114,709.50 : 158,324.42 = 63,739.75 : x - Step 2: Convert to fraction form
114,709.50/158,324.42 = 63,739.75/x - Step 3: Cross multiply
114,709.50x = 158,324.42 × 63,739.75 - Step 4: Simplify right side
114,709.50x = 10,091,558,949.70 - Step 5: Solve for x
x = 10,091,558,949.70/114,709.50 - Step 6: Final answer
x = 87,974.92
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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.