Finding the Fourth Proportional to 125,257.20, 187,674.48 and 61,992.96
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Solution
The fourth proportional to 125,257.20, 187,674.48 and 61,992.96 is: 92,884.85
Step by Step Solution
- Step 1: Write the proportion equation
125,257.20 : 187,674.48 = 61,992.96 : x - Step 2: Convert to fraction form
125,257.20/187,674.48 = 61,992.96/x - Step 3: Cross multiply
125,257.20x = 187,674.48 × 61,992.96 - Step 4: Simplify right side
125,257.20x = 11,634,496,531.66 - Step 5: Solve for x
x = 11,634,496,531.66/125,257.20 - Step 6: Final answer
x = 92,884.85
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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.