Finding the Fourth Proportional to 122,688.75, 184,076.33 and 60,402.99
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Solution
The fourth proportional to 122,688.75, 184,076.33 and 60,402.99 is: 90,625.75
Step by Step Solution
- Step 1: Write the proportion equation
122,688.75 : 184,076.33 = 60,402.99 : x - Step 2: Convert to fraction form
122,688.75/184,076.33 = 60,402.99/x - Step 3: Cross multiply
122,688.75x = 184,076.33 × 60,402.99 - Step 4: Simplify right side
122,688.75x = 11,118,760,418.21 - Step 5: Solve for x
x = 11,118,760,418.21/122,688.75 - Step 6: Final answer
x = 90,625.75
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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.