Finding the Fourth Proportional to 105,763.14, 158,433.21 and 63,619.92
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Solution
The fourth proportional to 105,763.14, 158,433.21 and 63,619.92 is: 95,302.66
Step by Step Solution
- Step 1: Write the proportion equation
105,763.14 : 158,433.21 = 63,619.92 : x - Step 2: Convert to fraction form
105,763.14/158,433.21 = 63,619.92/x - Step 3: Cross multiply
105,763.14x = 158,433.21 × 63,619.92 - Step 4: Simplify right side
105,763.14x = 10,079,508,145.54 - Step 5: Solve for x
x = 10,079,508,145.54/105,763.14 - Step 6: Final answer
x = 95,302.66
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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.