Finding the Fourth Proportional to 102,634.70, 153,967.84 and 36,059.99
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Solution
The fourth proportional to 102,634.70, 153,967.84 and 36,059.99 is: 54,095.53
Step by Step Solution
- Step 1: Write the proportion equation
102,634.70 : 153,967.84 = 36,059.99 : x - Step 2: Convert to fraction form
102,634.70/153,967.84 = 36,059.99/x - Step 3: Cross multiply
102,634.70x = 153,967.84 × 36,059.99 - Step 4: Simplify right side
102,634.70x = 5,552,077,910.73 - Step 5: Solve for x
x = 5,552,077,910.73/102,634.70 - Step 6: Final answer
x = 54,095.53
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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.