Finding the Fourth Proportional to 149,592.12, 206,152.20 and 107,076.84
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Solution
The fourth proportional to 149,592.12, 206,152.20 and 107,076.84 is: 147,562.09
Step by Step Solution
- Step 1: Write the proportion equation
149,592.12 : 206,152.20 = 107,076.84 : x - Step 2: Convert to fraction form
149,592.12/206,152.20 = 107,076.84/x - Step 3: Cross multiply
149,592.12x = 206,152.20 × 107,076.84 - Step 4: Simplify right side
149,592.12x = 22,074,126,135.05 - Step 5: Solve for x
x = 22,074,126,135.05/149,592.12 - Step 6: Final answer
x = 147,562.09
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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.