Finding the Fourth Proportional to 121,147.02, 181,608.21 and 53,643.08
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Solution
The fourth proportional to 121,147.02, 181,608.21 and 53,643.08 is: 80,414.88
Step by Step Solution
- Step 1: Write the proportion equation
121,147.02 : 181,608.21 = 53,643.08 : x - Step 2: Convert to fraction form
121,147.02/181,608.21 = 53,643.08/x - Step 3: Cross multiply
121,147.02x = 181,608.21 × 53,643.08 - Step 4: Simplify right side
121,147.02x = 9,742,022,829.65 - Step 5: Solve for x
x = 9,742,022,829.65/121,147.02 - Step 6: Final answer
x = 80,414.88
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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.