Finding the Fourth Proportional to 125,492.50, 173,180.87 and 68,905.09
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Solution
The fourth proportional to 125,492.50, 173,180.87 and 68,905.09 is: 95,089.69
Step by Step Solution
- Step 1: Write the proportion equation
125,492.50 : 173,180.87 = 68,905.09 : x - Step 2: Convert to fraction form
125,492.50/173,180.87 = 68,905.09/x - Step 3: Cross multiply
125,492.50x = 173,180.87 × 68,905.09 - Step 4: Simplify right side
125,492.50x = 11,933,043,433.63 - Step 5: Solve for x
x = 11,933,043,433.63/125,492.50 - Step 6: Final answer
x = 95,089.69
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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.