Finding the Fourth Proportional to 122,968.70, 184,425.36 and 80,260.68
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Solution
The fourth proportional to 122,968.70, 184,425.36 and 80,260.68 is: 120,372.95
Step by Step Solution
- Step 1: Write the proportion equation
122,968.70 : 184,425.36 = 80,260.68 : x - Step 2: Convert to fraction form
122,968.70/184,425.36 = 80,260.68/x - Step 3: Cross multiply
122,968.70x = 184,425.36 × 80,260.68 - Step 4: Simplify right side
122,968.70x = 14,802,104,802.84 - Step 5: Solve for x
x = 14,802,104,802.84/122,968.70 - Step 6: Final answer
x = 120,372.95
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1.5x scale
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.