Finding the Fourth Proportional to 110,528.10, 165,622.05 and 82,315.80
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Solution
The fourth proportional to 110,528.10, 165,622.05 and 82,315.80 is: 123,347.02
Step by Step Solution
- Step 1: Write the proportion equation
110,528.10 : 165,622.05 = 82,315.80 : x - Step 2: Convert to fraction form
110,528.10/165,622.05 = 82,315.80/x - Step 3: Cross multiply
110,528.10x = 165,622.05 × 82,315.80 - Step 4: Simplify right side
110,528.10x = 13,633,311,543.39 - Step 5: Solve for x
x = 13,633,311,543.39/110,528.10 - Step 6: Final answer
x = 123,347.02
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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.