Finding the Fourth Proportional to 110,251.63, 165,460.67 and 80,745.96
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Solution
The fourth proportional to 110,251.63, 165,460.67 and 80,745.96 is: 121,179.90
Step by Step Solution
- Step 1: Write the proportion equation
110,251.63 : 165,460.67 = 80,745.96 : x - Step 2: Convert to fraction form
110,251.63/165,460.67 = 80,745.96/x - Step 3: Cross multiply
110,251.63x = 165,460.67 × 80,745.96 - Step 4: Simplify right side
110,251.63x = 13,360,281,615.13 - Step 5: Solve for x
x = 13,360,281,615.13/110,251.63 - Step 6: Final answer
x = 121,179.90
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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.