Finding the Fourth Proportional to 125,847.75, 173,669.94 and 69,257.91
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Solution
The fourth proportional to 125,847.75, 173,669.94 and 69,257.91 is: 95,575.94
Step by Step Solution
- Step 1: Write the proportion equation
125,847.75 : 173,669.94 = 69,257.91 : x - Step 2: Convert to fraction form
125,847.75/173,669.94 = 69,257.91/x - Step 3: Cross multiply
125,847.75x = 173,669.94 × 69,257.91 - Step 4: Simplify right side
125,847.75x = 12,028,017,074.23 - Step 5: Solve for x
x = 12,028,017,074.23/125,847.75 - Step 6: Final answer
x = 95,575.94
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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.