Finding the Fourth Proportional to 125,266.40, 187,893.12 and 31,772.96
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Solution
The fourth proportional to 125,266.40, 187,893.12 and 31,772.96 is: 47,657.80
Step by Step Solution
- Step 1: Write the proportion equation
125,266.40 : 187,893.12 = 31,772.96 : x - Step 2: Convert to fraction form
125,266.40/187,893.12 = 31,772.96/x - Step 3: Cross multiply
125,266.40x = 187,893.12 × 31,772.96 - Step 4: Simplify right side
125,266.40x = 5,969,920,586.04 - Step 5: Solve for x
x = 5,969,920,586.04/125,266.40 - Step 6: Final answer
x = 47,657.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.