Finding the Fourth Proportional to 129,923.09, 194,890.12 and 41,174.63
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Solution
The fourth proportional to 129,923.09, 194,890.12 and 41,174.63 is: 61,763.68
Step by Step Solution
- Step 1: Write the proportion equation
129,923.09 : 194,890.12 = 41,174.63 : x - Step 2: Convert to fraction form
129,923.09/194,890.12 = 41,174.63/x - Step 3: Cross multiply
129,923.09x = 194,890.12 × 41,174.63 - Step 4: Simplify right side
129,923.09x = 8,024,528,235.11 - Step 5: Solve for x
x = 8,024,528,235.11/129,923.09 - Step 6: Final answer
x = 61,763.68
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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.