Finding the Fourth Proportional to 102,859.67, 154,289.48 and 67,544.08
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Solution
The fourth proportional to 102,859.67, 154,289.48 and 67,544.08 is: 101,316.09
Step by Step Solution
- Step 1: Write the proportion equation
102,859.67 : 154,289.48 = 67,544.08 : x - Step 2: Convert to fraction form
102,859.67/154,289.48 = 67,544.08/x - Step 3: Cross multiply
102,859.67x = 154,289.48 × 67,544.08 - Step 4: Simplify right side
102,859.67x = 10,421,340,256.83 - Step 5: Solve for x
x = 10,421,340,256.83/102,859.67 - Step 6: Final answer
x = 101,316.09
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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.