Finding the Fourth Proportional to 134,861.10, 202,364.55 and 59,992.80
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Solution
The fourth proportional to 134,861.10, 202,364.55 and 59,992.80 is: 90,021.63
Step by Step Solution
- Step 1: Write the proportion equation
134,861.10 : 202,364.55 = 59,992.80 : x - Step 2: Convert to fraction form
134,861.10/202,364.55 = 59,992.80/x - Step 3: Cross multiply
134,861.10x = 202,364.55 × 59,992.80 - Step 4: Simplify right side
134,861.10x = 12,140,415,975.24 - Step 5: Solve for x
x = 12,140,415,975.24/134,861.10 - Step 6: Final answer
x = 90,021.63
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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.