Finding the Fourth Proportional to 114,999.75, 172,501.18 and 36,113.99
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Solution
The fourth proportional to 114,999.75, 172,501.18 and 36,113.99 is: 54,171.47
Step by Step Solution
- Step 1: Write the proportion equation
114,999.75 : 172,501.18 = 36,113.99 : x - Step 2: Convert to fraction form
114,999.75/172,501.18 = 36,113.99/x - Step 3: Cross multiply
114,999.75x = 172,501.18 × 36,113.99 - Step 4: Simplify right side
114,999.75x = 6,229,704,936.72 - Step 5: Solve for x
x = 6,229,704,936.72/114,999.75 - Step 6: Final answer
x = 54,171.47
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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.