Finding the Fourth Proportional to 165,197.30, 227,964.94 and 93,575.88
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Solution
The fourth proportional to 165,197.30, 227,964.94 and 93,575.88 is: 129,130.56
Step by Step Solution
- Step 1: Write the proportion equation
165,197.30 : 227,964.94 = 93,575.88 : x - Step 2: Convert to fraction form
165,197.30/227,964.94 = 93,575.88/x - Step 3: Cross multiply
165,197.30x = 227,964.94 × 93,575.88 - Step 4: Simplify right side
165,197.30x = 21,332,019,869.65 - Step 5: Solve for x
x = 21,332,019,869.65/165,197.30 - Step 6: Final answer
x = 129,130.56
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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.