Finding the Fourth Proportional to 112,129.02, 168,214.26 and 32,163.63
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Solution
The fourth proportional to 112,129.02, 168,214.26 and 32,163.63 is: 48,251.39
Step by Step Solution
- Step 1: Write the proportion equation
112,129.02 : 168,214.26 = 32,163.63 : x - Step 2: Convert to fraction form
112,129.02/168,214.26 = 32,163.63/x - Step 3: Cross multiply
112,129.02x = 168,214.26 × 32,163.63 - Step 4: Simplify right side
112,129.02x = 5,410,381,219.36 - Step 5: Solve for x
x = 5,410,381,219.36/112,129.02 - Step 6: Final answer
x = 48,251.39
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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.