Finding the Fourth Proportional to 110,561.80, 165,842.70 and 27,455.80
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Solution
The fourth proportional to 110,561.80, 165,842.70 and 27,455.80 is: 41,183.70
Step by Step Solution
- Step 1: Write the proportion equation
110,561.80 : 165,842.70 = 27,455.80 : x - Step 2: Convert to fraction form
110,561.80/165,842.70 = 27,455.80/x - Step 3: Cross multiply
110,561.80x = 165,842.70 × 27,455.80 - Step 4: Simplify right side
110,561.80x = 4,553,344,002.66 - Step 5: Solve for x
x = 4,553,344,002.66/110,561.80 - Step 6: Final answer
x = 41,183.70
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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.