Finding the Fourth Proportional to 161,112.12, 241,761.80 and 66,351.84
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Solution
The fourth proportional to 161,112.12, 241,761.80 and 66,351.84 is: 99,566.32
Step by Step Solution
- Step 1: Write the proportion equation
161,112.12 : 241,761.80 = 66,351.84 : x - Step 2: Convert to fraction form
161,112.12/241,761.80 = 66,351.84/x - Step 3: Cross multiply
161,112.12x = 241,761.80 × 66,351.84 - Step 4: Simplify right side
161,112.12x = 16,041,340,271.71 - Step 5: Solve for x
x = 16,041,340,271.71/161,112.12 - Step 6: Final answer
x = 99,566.32
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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.