Finding the Fourth Proportional to 110,091.76, 165,137.65 and 31,205.99
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Solution
The fourth proportional to 110,091.76, 165,137.65 and 31,205.99 is: 46,808.99
Step by Step Solution
- Step 1: Write the proportion equation
110,091.76 : 165,137.65 = 31,205.99 : x - Step 2: Convert to fraction form
110,091.76/165,137.65 = 31,205.99/x - Step 3: Cross multiply
110,091.76x = 165,137.65 × 31,205.99 - Step 4: Simplify right side
110,091.76x = 5,153,284,189.35 - Step 5: Solve for x
x = 5,153,284,189.35/110,091.76 - Step 6: Final answer
x = 46,808.99
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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.