Finding the Fourth Proportional to 125,880.75, 188,756.19 and 37,122.75
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Solution
The fourth proportional to 125,880.75, 188,756.19 and 37,122.75 is: 55,664.98
Step by Step Solution
- Step 1: Write the proportion equation
125,880.75 : 188,756.19 = 37,122.75 : x - Step 2: Convert to fraction form
125,880.75/188,756.19 = 37,122.75/x - Step 3: Cross multiply
125,880.75x = 188,756.19 × 37,122.75 - Step 4: Simplify right side
125,880.75x = 7,007,148,852.32 - Step 5: Solve for x
x = 7,007,148,852.32/125,880.75 - Step 6: Final answer
x = 55,664.98
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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.