Finding the Fourth Proportional to 135,150.60, 202,871.70 and 76,101.60
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Solution
The fourth proportional to 135,150.60, 202,871.70 and 76,101.60 is: 114,234.50
Step by Step Solution
- Step 1: Write the proportion equation
135,150.60 : 202,871.70 = 76,101.60 : x - Step 2: Convert to fraction form
135,150.60/202,871.70 = 76,101.60/x - Step 3: Cross multiply
135,150.60x = 202,871.70 × 76,101.60 - Step 4: Simplify right side
135,150.60x = 15,438,860,964.72 - Step 5: Solve for x
x = 15,438,860,964.72/135,150.60 - Step 6: Final answer
x = 114,234.50
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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.