Finding the Fourth Proportional to 99,811.59, 149,697.14 and 36,610.20
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Solution
The fourth proportional to 99,811.59, 149,697.14 and 36,610.20 is: 54,907.88
Step by Step Solution
- Step 1: Write the proportion equation
99,811.59 : 149,697.14 = 36,610.20 : x - Step 2: Convert to fraction form
99,811.59/149,697.14 = 36,610.20/x - Step 3: Cross multiply
99,811.59x = 149,697.14 × 36,610.20 - Step 4: Simplify right side
99,811.59x = 5,480,442,575.77 - Step 5: Solve for x
x = 5,480,442,575.77/99,811.59 - Step 6: Final answer
x = 54,907.88
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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.