Finding the Fourth Proportional to 122,580.24, 169,174.42 and 74,208.80
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Solution
The fourth proportional to 122,580.24, 169,174.42 and 74,208.80 is: 102,416.43
Step by Step Solution
- Step 1: Write the proportion equation
122,580.24 : 169,174.42 = 74,208.80 : x - Step 2: Convert to fraction form
122,580.24/169,174.42 = 74,208.80/x - Step 3: Cross multiply
122,580.24x = 169,174.42 × 74,208.80 - Step 4: Simplify right side
122,580.24x = 12,554,230,698.90 - Step 5: Solve for x
x = 12,554,230,698.90/122,580.24 - Step 6: Final answer
x = 102,416.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.