Finding the Fourth Proportional to 107,311.75, 148,090.20 and 59,565.08
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Solution
The fourth proportional to 107,311.75, 148,090.20 and 59,565.08 is: 82,199.80
Step by Step Solution
- Step 1: Write the proportion equation
107,311.75 : 148,090.20 = 59,565.08 : x - Step 2: Convert to fraction form
107,311.75/148,090.20 = 59,565.08/x - Step 3: Cross multiply
107,311.75x = 148,090.20 × 59,565.08 - Step 4: Simplify right side
107,311.75x = 8,821,004,610.22 - Step 5: Solve for x
x = 8,821,004,610.22/107,311.75 - Step 6: Final answer
x = 82,199.80
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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.