Finding the Fourth Proportional to 146,868.88, 202,680.29 and 79,800.88
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Solution
The fourth proportional to 146,868.88, 202,680.29 and 79,800.88 is: 110,125.88
Step by Step Solution
- Step 1: Write the proportion equation
146,868.88 : 202,680.29 = 79,800.88 : x - Step 2: Convert to fraction form
146,868.88/202,680.29 = 79,800.88/x - Step 3: Cross multiply
146,868.88x = 202,680.29 × 79,800.88 - Step 4: Simplify right side
146,868.88x = 16,174,064,088.25 - Step 5: Solve for x
x = 16,174,064,088.25/146,868.88 - Step 6: Final answer
x = 110,125.88
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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.