Finding the Fourth Proportional to 125,812.62, 173,586.98 and 87,529.18
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Solution
The fourth proportional to 125,812.62, 173,586.98 and 87,529.18 is: 120,766.31
Step by Step Solution
- Step 1: Write the proportion equation
125,812.62 : 173,586.98 = 87,529.18 : x - Step 2: Convert to fraction form
125,812.62/173,586.98 = 87,529.18/x - Step 3: Cross multiply
125,812.62x = 173,586.98 × 87,529.18 - Step 4: Simplify right side
125,812.62x = 15,193,926,018.08 - Step 5: Solve for x
x = 15,193,926,018.08/125,812.62 - Step 6: Final answer
x = 120,766.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.