Finding the Fourth Proportional to 125,404.19, 188,134.94 and 41,171.48
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Solution
The fourth proportional to 125,404.19, 188,134.94 and 41,171.48 is: 61,766.63
Step by Step Solution
- Step 1: Write the proportion equation
125,404.19 : 188,134.94 = 41,171.48 : x - Step 2: Convert to fraction form
125,404.19/188,134.94 = 41,171.48/x - Step 3: Cross multiply
125,404.19x = 188,134.94 × 41,171.48 - Step 4: Simplify right side
125,404.19x = 7,745,793,919.51 - Step 5: Solve for x
x = 7,745,793,919.51/125,404.19 - Step 6: Final answer
x = 61,766.63
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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.