Finding the Fourth Proportional to 165,633.57, 248,129.60 and 99,126.09
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Solution
The fourth proportional to 165,633.57, 248,129.60 and 99,126.09 is: 148,497.17
Step by Step Solution
- Step 1: Write the proportion equation
165,633.57 : 248,129.60 = 99,126.09 : x - Step 2: Convert to fraction form
165,633.57/248,129.60 = 99,126.09/x - Step 3: Cross multiply
165,633.57x = 248,129.60 × 99,126.09 - Step 4: Simplify right side
165,633.57x = 24,596,116,565.63 - Step 5: Solve for x
x = 24,596,116,565.63/165,633.57 - Step 6: Final answer
x = 148,497.17
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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.