Finding the Fourth Proportional to 125,555.67, 173,266.29 and 68,965.83
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Solution
The fourth proportional to 125,555.67, 173,266.29 and 68,965.83 is: 95,172.55
Step by Step Solution
- Step 1: Write the proportion equation
125,555.67 : 173,266.29 = 68,965.83 : x - Step 2: Convert to fraction form
125,555.67/173,266.29 = 68,965.83/x - Step 3: Cross multiply
125,555.67x = 173,266.29 × 68,965.83 - Step 4: Simplify right side
125,555.67x = 11,949,453,500.87 - Step 5: Solve for x
x = 11,949,453,500.87/125,555.67 - Step 6: Final answer
x = 95,172.55
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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.