Finding the Fourth Proportional to 134,858.60, 202,115.10 and 119,997.80
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Solution
The fourth proportional to 134,858.60, 202,115.10 and 119,997.80 is: 179,842.94
Step by Step Solution
- Step 1: Write the proportion equation
134,858.60 : 202,115.10 = 119,997.80 : x - Step 2: Convert to fraction form
134,858.60/202,115.10 = 119,997.80/x - Step 3: Cross multiply
134,858.60x = 202,115.10 × 119,997.80 - Step 4: Simplify right side
134,858.60x = 24,253,367,346.78 - Step 5: Solve for x
x = 24,253,367,346.78/134,858.60 - Step 6: Final answer
x = 179,842.94
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1.5x scale
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.