Finding the Fourth Proportional to 109,473.97, 164,112.11 and 39,336.88
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Solution
The fourth proportional to 109,473.97, 164,112.11 and 39,336.88 is: 58,969.80
Step by Step Solution
- Step 1: Write the proportion equation
109,473.97 : 164,112.11 = 39,336.88 : x - Step 2: Convert to fraction form
109,473.97/164,112.11 = 39,336.88/x - Step 3: Cross multiply
109,473.97x = 164,112.11 × 39,336.88 - Step 4: Simplify right side
109,473.97x = 6,455,657,557.06 - Step 5: Solve for x
x = 6,455,657,557.06/109,473.97 - Step 6: Final answer
x = 58,969.80
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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.