Finding the Fourth Proportional to 125,214.36, 173,024.96 and 91,163.75
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Solution
The fourth proportional to 125,214.36, 173,024.96 and 91,163.75 is: 125,972.80
Step by Step Solution
- Step 1: Write the proportion equation
125,214.36 : 173,024.96 = 91,163.75 : x - Step 2: Convert to fraction form
125,214.36/173,024.96 = 91,163.75/x - Step 3: Cross multiply
125,214.36x = 173,024.96 × 91,163.75 - Step 4: Simplify right side
125,214.36x = 15,773,603,389.05 - Step 5: Solve for x
x = 15,773,603,389.05/125,214.36 - Step 6: Final answer
x = 125,972.80
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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.