Finding the Fourth Proportional to 106,519.44, 147,003.92 and 61,212.08
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Solution
The fourth proportional to 106,519.44, 147,003.92 and 61,212.08 is: 84,476.75
Step by Step Solution
- Step 1: Write the proportion equation
106,519.44 : 147,003.92 = 61,212.08 : x - Step 2: Convert to fraction form
106,519.44/147,003.92 = 61,212.08/x - Step 3: Cross multiply
106,519.44x = 147,003.92 × 61,212.08 - Step 4: Simplify right side
106,519.44x = 8,998,415,711.35 - Step 5: Solve for x
x = 8,998,415,711.35/106,519.44 - Step 6: Final answer
x = 84,476.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.