Finding the Fourth Proportional to 110,714.08, 166,202.64 and 87,357.28
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Solution
The fourth proportional to 110,714.08, 166,202.64 and 87,357.28 is: 131,139.69
Step by Step Solution
- Step 1: Write the proportion equation
110,714.08 : 166,202.64 = 87,357.28 : x - Step 2: Convert to fraction form
110,714.08/166,202.64 = 87,357.28/x - Step 3: Cross multiply
110,714.08x = 166,202.64 × 87,357.28 - Step 4: Simplify right side
110,714.08x = 14,519,010,559.22 - Step 5: Solve for x
x = 14,519,010,559.22/110,714.08 - Step 6: Final answer
x = 131,139.69
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1.5x scale
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.