Finding the Fourth Proportional to 125,677.68, 188,511.60 and 42,571.68
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Solution
The fourth proportional to 125,677.68, 188,511.60 and 42,571.68 is: 63,855.85
Step by Step Solution
- Step 1: Write the proportion equation
125,677.68 : 188,511.60 = 42,571.68 : x - Step 2: Convert to fraction form
125,677.68/188,511.60 = 42,571.68/x - Step 3: Cross multiply
125,677.68x = 188,511.60 × 42,571.68 - Step 4: Simplify right side
125,677.68x = 8,025,255,511.49 - Step 5: Solve for x
x = 8,025,255,511.49/125,677.68 - Step 6: Final answer
x = 63,855.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.