Finding the Fourth Proportional to 125,188.22, 187,813.11 and 36,442.49
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Solution
The fourth proportional to 125,188.22, 187,813.11 and 36,442.49 is: 54,672.69
Step by Step Solution
- Step 1: Write the proportion equation
125,188.22 : 187,813.11 = 36,442.49 : x - Step 2: Convert to fraction form
125,188.22/187,813.11 = 36,442.49/x - Step 3: Cross multiply
125,188.22x = 187,813.11 × 36,442.49 - Step 4: Simplify right side
125,188.22x = 6,844,376,443.98 - Step 5: Solve for x
x = 6,844,376,443.98/125,188.22 - Step 6: Final answer
x = 54,672.69
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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.