Finding the Fourth Proportional to 122,497.13, 183,745.70 and 39,391.13
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Solution
The fourth proportional to 122,497.13, 183,745.70 and 39,391.13 is: 59,086.70
Step by Step Solution
- Step 1: Write the proportion equation
122,497.13 : 183,745.70 = 39,391.13 : x - Step 2: Convert to fraction form
122,497.13/183,745.70 = 39,391.13/x - Step 3: Cross multiply
122,497.13x = 183,745.70 × 39,391.13 - Step 4: Simplify right side
122,497.13x = 7,237,950,755.64 - Step 5: Solve for x
x = 7,237,950,755.64/122,497.13 - Step 6: Final answer
x = 59,086.70
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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.