Finding the Fourth Proportional to 120,133.08, 165,785.67 and 69,832.08
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Solution
The fourth proportional to 120,133.08, 165,785.67 and 69,832.08 is: 96,369.44
Step by Step Solution
- Step 1: Write the proportion equation
120,133.08 : 165,785.67 = 69,832.08 : x - Step 2: Convert to fraction form
120,133.08/165,785.67 = 69,832.08/x - Step 3: Cross multiply
120,133.08x = 165,785.67 × 69,832.08 - Step 4: Simplify right side
120,133.08x = 11,577,158,170.29 - Step 5: Solve for x
x = 11,577,158,170.29/120,133.08 - Step 6: Final answer
x = 96,369.44
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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.