Finding the Fourth Proportional to 102,800.26, 154,125.63 and 69,437.62
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Solution
The fourth proportional to 102,800.26, 154,125.63 and 69,437.62 is: 104,105.93
Step by Step Solution
- Step 1: Write the proportion equation
102,800.26 : 154,125.63 = 69,437.62 : x - Step 2: Convert to fraction form
102,800.26/154,125.63 = 69,437.62/x - Step 3: Cross multiply
102,800.26x = 154,125.63 × 69,437.62 - Step 4: Simplify right side
102,800.26x = 10,702,116,928.20 - Step 5: Solve for x
x = 10,702,116,928.20/102,800.26 - Step 6: Final answer
x = 104,105.93
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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.