Finding the Fourth Proportional to 106,271.77, 159,232.69 and 74,254.09
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Solution
The fourth proportional to 106,271.77, 159,232.69 and 74,254.09 is: 111,258.88
Step by Step Solution
- Step 1: Write the proportion equation
106,271.77 : 159,232.69 = 74,254.09 : x - Step 2: Convert to fraction form
106,271.77/159,232.69 = 74,254.09/x - Step 3: Cross multiply
106,271.77x = 159,232.69 × 74,254.09 - Step 4: Simplify right side
106,271.77x = 11,823,678,188.94 - Step 5: Solve for x
x = 11,823,678,188.94/106,271.77 - Step 6: Final answer
x = 111,258.88
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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.