Finding the Fourth Proportional to 125,715.26, 187,388.62 and 115,626.19
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Solution
The fourth proportional to 125,715.26, 187,388.62 and 115,626.19 is: 172,350.04
Step by Step Solution
- Step 1: Write the proportion equation
125,715.26 : 187,388.62 = 115,626.19 : x - Step 2: Convert to fraction form
125,715.26/187,388.62 = 115,626.19/x - Step 3: Cross multiply
125,715.26x = 187,388.62 × 115,626.19 - Step 4: Simplify right side
125,715.26x = 21,667,030,664.88 - Step 5: Solve for x
x = 21,667,030,664.88/125,715.26 - Step 6: Final answer
x = 172,350.04
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.