Finding the Fourth Proportional to 125,790.53, 173,594.09 and 68,433.08
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Solution
The fourth proportional to 125,790.53, 173,594.09 and 68,433.08 is: 94,439.37
Step by Step Solution
- Step 1: Write the proportion equation
125,790.53 : 173,594.09 = 68,433.08 : x - Step 2: Convert to fraction form
125,790.53/173,594.09 = 68,433.08/x - Step 3: Cross multiply
125,790.53x = 173,594.09 × 68,433.08 - Step 4: Simplify right side
125,790.53x = 11,879,577,551.61 - Step 5: Solve for x
x = 11,879,577,551.61/125,790.53 - Step 6: Final answer
x = 94,439.37
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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.