Finding the Fourth Proportional to 135,987.44, 203,910.77 and 61,043.06
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Solution
The fourth proportional to 135,987.44, 203,910.77 and 61,043.06 is: 91,532.99
Step by Step Solution
- Step 1: Write the proportion equation
135,987.44 : 203,910.77 = 61,043.06 : x - Step 2: Convert to fraction form
135,987.44/203,910.77 = 61,043.06/x - Step 3: Cross multiply
135,987.44x = 203,910.77 × 61,043.06 - Step 4: Simplify right side
135,987.44x = 12,447,336,042.99 - Step 5: Solve for x
x = 12,447,336,042.99/135,987.44 - Step 6: Final answer
x = 91,532.99
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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.