Finding the Fourth Proportional to 125,015.70, 187,439.96 and 68,882.70
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Solution
The fourth proportional to 125,015.70, 187,439.96 and 68,882.70 is: 103,277.99
Step by Step Solution
- Step 1: Write the proportion equation
125,015.70 : 187,439.96 = 68,882.70 : x - Step 2: Convert to fraction form
125,015.70/187,439.96 = 68,882.70/x - Step 3: Cross multiply
125,015.70x = 187,439.96 × 68,882.70 - Step 4: Simplify right side
125,015.70x = 12,911,370,532.69 - Step 5: Solve for x
x = 12,911,370,532.69/125,015.70 - Step 6: Final answer
x = 103,277.99
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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.