Finding the Fourth Proportional to 125,533.11, 173,236.65 and 71,814.81
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Solution
The fourth proportional to 125,533.11, 173,236.65 and 71,814.81 is: 99,104.99
Step by Step Solution
- Step 1: Write the proportion equation
125,533.11 : 173,236.65 = 71,814.81 : x - Step 2: Convert to fraction form
125,533.11/173,236.65 = 71,814.81/x - Step 3: Cross multiply
125,533.11x = 173,236.65 × 71,814.81 - Step 4: Simplify right side
125,533.11x = 12,440,957,104.79 - Step 5: Solve for x
x = 12,440,957,104.79/125,533.11 - Step 6: Final answer
x = 99,104.99
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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.