Finding the Fourth Proportional to 120,141.12, 180,201.60 and 37,035.84
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Solution
The fourth proportional to 120,141.12, 180,201.60 and 37,035.84 is: 55,550.65
Step by Step Solution
- Step 1: Write the proportion equation
120,141.12 : 180,201.60 = 37,035.84 : x - Step 2: Convert to fraction form
120,141.12/180,201.60 = 37,035.84/x - Step 3: Cross multiply
120,141.12x = 180,201.60 × 37,035.84 - Step 4: Simplify right side
120,141.12x = 6,673,917,625.34 - Step 5: Solve for x
x = 6,673,917,625.34/120,141.12 - Step 6: Final answer
x = 55,550.65
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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.