Finding the Fourth Proportional to 146,868.63, 202,679.94 and 79,800.63
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Solution
The fourth proportional to 146,868.63, 202,679.94 and 79,800.63 is: 110,125.54
Step by Step Solution
- Step 1: Write the proportion equation
146,868.63 : 202,679.94 = 79,800.63 : x - Step 2: Convert to fraction form
146,868.63/202,679.94 = 79,800.63/x - Step 3: Cross multiply
146,868.63x = 202,679.94 × 79,800.63 - Step 4: Simplify right side
146,868.63x = 16,173,986,900.36 - Step 5: Solve for x
x = 16,173,986,900.36/146,868.63 - Step 6: Final answer
x = 110,125.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.