Finding the Fourth Proportional to 113,424.60, 170,129.70 and 38,544.60
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Solution
The fourth proportional to 113,424.60, 170,129.70 and 38,544.60 is: 57,814.45
Step by Step Solution
- Step 1: Write the proportion equation
113,424.60 : 170,129.70 = 38,544.60 : x - Step 2: Convert to fraction form
113,424.60/170,129.70 = 38,544.60/x - Step 3: Cross multiply
113,424.60x = 170,129.70 × 38,544.60 - Step 4: Simplify right side
113,424.60x = 6,557,581,234.62 - Step 5: Solve for x
x = 6,557,581,234.62/113,424.60 - Step 6: Final answer
x = 57,814.45
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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.