Finding the Fourth Proportional to 125,703.75, 173,474.46 and 68,346.93
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Solution
The fourth proportional to 125,703.75, 173,474.46 and 68,346.93 is: 94,320.55
Step by Step Solution
- Step 1: Write the proportion equation
125,703.75 : 173,474.46 = 68,346.93 : x - Step 2: Convert to fraction form
125,703.75/173,474.46 = 68,346.93/x - Step 3: Cross multiply
125,703.75x = 173,474.46 × 68,346.93 - Step 4: Simplify right side
125,703.75x = 11,856,446,774.41 - Step 5: Solve for x
x = 11,856,446,774.41/125,703.75 - Step 6: Final answer
x = 94,320.55
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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.