Finding the Fourth Proportional to 121,080.05, 181,618.24 and 54,473.14
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Solution
The fourth proportional to 121,080.05, 181,618.24 and 54,473.14 is: 81,708.88
Step by Step Solution
- Step 1: Write the proportion equation
121,080.05 : 181,618.24 = 54,473.14 : x - Step 2: Convert to fraction form
121,080.05/181,618.24 = 54,473.14/x - Step 3: Cross multiply
121,080.05x = 181,618.24 × 54,473.14 - Step 4: Simplify right side
121,080.05x = 9,893,314,905.98 - Step 5: Solve for x
x = 9,893,314,905.98/121,080.05 - Step 6: Final answer
x = 81,708.88
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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.