Finding the Fourth Proportional to 103,193.95, 154,764.60 and 32,102.68
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Solution
The fourth proportional to 103,193.95, 154,764.60 and 32,102.68 is: 48,145.83
Step by Step Solution
- Step 1: Write the proportion equation
103,193.95 : 154,764.60 = 32,102.68 : x - Step 2: Convert to fraction form
103,193.95/154,764.60 = 32,102.68/x - Step 3: Cross multiply
103,193.95x = 154,764.60 × 32,102.68 - Step 4: Simplify right side
103,193.95x = 4,968,358,429.13 - Step 5: Solve for x
x = 4,968,358,429.13/103,193.95 - Step 6: Final answer
x = 48,145.83
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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.