Finding the Fourth Proportional to 125,572.64, 173,289.42 and 68,211.44
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Solution
The fourth proportional to 125,572.64, 173,289.42 and 68,211.44 is: 94,131.34
Step by Step Solution
- Step 1: Write the proportion equation
125,572.64 : 173,289.42 = 68,211.44 : x - Step 2: Convert to fraction form
125,572.64/173,289.42 = 68,211.44/x - Step 3: Cross multiply
125,572.64x = 173,289.42 × 68,211.44 - Step 4: Simplify right side
125,572.64x = 11,820,320,874.96 - Step 5: Solve for x
x = 11,820,320,874.96/125,572.64 - Step 6: Final answer
x = 94,131.34
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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.