Finding the Fourth Proportional to 108,806.08, 150,163.18 and 61,059.62
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Solution
The fourth proportional to 108,806.08, 150,163.18 and 61,059.62 is: 84,268.32
Step by Step Solution
- Step 1: Write the proportion equation
108,806.08 : 150,163.18 = 61,059.62 : x - Step 2: Convert to fraction form
108,806.08/150,163.18 = 61,059.62/x - Step 3: Cross multiply
108,806.08x = 150,163.18 × 61,059.62 - Step 4: Simplify right side
108,806.08x = 9,168,905,957.98 - Step 5: Solve for x
x = 9,168,905,957.98/108,806.08 - Step 6: Final answer
x = 84,268.32
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1.5x scale
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.