Finding the Fourth Proportional to 125,039.19, 187,559.09 and 31,544.94
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Solution
The fourth proportional to 125,039.19, 187,559.09 and 31,544.94 is: 47,317.49
Step by Step Solution
- Step 1: Write the proportion equation
125,039.19 : 187,559.09 = 31,544.94 : x - Step 2: Convert to fraction form
125,039.19/187,559.09 = 31,544.94/x - Step 3: Cross multiply
125,039.19x = 187,559.09 × 31,544.94 - Step 4: Simplify right side
125,039.19x = 5,916,540,082.78 - Step 5: Solve for x
x = 5,916,540,082.78/125,039.19 - Step 6: Final answer
x = 47,317.49
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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.