Finding the Fourth Proportional to 125,817.44, 188,757.27 and 103,366.06
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Solution
The fourth proportional to 125,817.44, 188,757.27 and 103,366.06 is: 155,074.65
Step by Step Solution
- Step 1: Write the proportion equation
125,817.44 : 188,757.27 = 103,366.06 : x - Step 2: Convert to fraction form
125,817.44/188,757.27 = 103,366.06/x - Step 3: Cross multiply
125,817.44x = 188,757.27 × 103,366.06 - Step 4: Simplify right side
125,817.44x = 19,511,094,824.36 - Step 5: Solve for x
x = 19,511,094,824.36/125,817.44 - Step 6: Final answer
x = 155,074.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.