Finding the Fourth Proportional to 101,766.97, 152,619.36 and 70,378.75
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Solution
The fourth proportional to 101,766.97, 152,619.36 and 70,378.75 is: 105,546.62
Step by Step Solution
- Step 1: Write the proportion equation
101,766.97 : 152,619.36 = 70,378.75 : x - Step 2: Convert to fraction form
101,766.97/152,619.36 = 70,378.75/x - Step 3: Cross multiply
101,766.97x = 152,619.36 × 70,378.75 - Step 4: Simplify right side
101,766.97x = 10,741,159,782.60 - Step 5: Solve for x
x = 10,741,159,782.60/101,766.97 - Step 6: Final answer
x = 105,546.62
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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.