Finding the Fourth Proportional to 165,636.57, 248,134.08 and 99,129.09
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Solution
The fourth proportional to 165,636.57, 248,134.08 and 99,129.09 is: 148,501.66
Step by Step Solution
- Step 1: Write the proportion equation
165,636.57 : 248,134.08 = 99,129.09 : x - Step 2: Convert to fraction form
165,636.57/248,134.08 = 99,129.09/x - Step 3: Cross multiply
165,636.57x = 248,134.08 × 99,129.09 - Step 4: Simplify right side
165,636.57x = 24,597,305,548.39 - Step 5: Solve for x
x = 24,597,305,548.39/165,636.57 - Step 6: Final answer
x = 148,501.66
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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.