Finding the Fourth Proportional to 122,689.75, 184,077.83 and 60,403.99
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Solution
The fourth proportional to 122,689.75, 184,077.83 and 60,403.99 is: 90,627.26
Step by Step Solution
- Step 1: Write the proportion equation
122,689.75 : 184,077.83 = 60,403.99 : x - Step 2: Convert to fraction form
122,689.75/184,077.83 = 60,403.99/x - Step 3: Cross multiply
122,689.75x = 184,077.83 × 60,403.99 - Step 4: Simplify right side
122,689.75x = 11,119,035,402.54 - Step 5: Solve for x
x = 11,119,035,402.54/122,689.75 - Step 6: Final answer
x = 90,627.26
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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.