Finding the Fourth Proportional to 120,145.33, 165,796.48 and 69,150.99
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Solution
The fourth proportional to 120,145.33, 165,796.48 and 69,150.99 is: 95,426.02
Step by Step Solution
- Step 1: Write the proportion equation
120,145.33 : 165,796.48 = 69,150.99 : x - Step 2: Convert to fraction form
120,145.33/165,796.48 = 69,150.99/x - Step 3: Cross multiply
120,145.33x = 165,796.48 × 69,150.99 - Step 4: Simplify right side
120,145.33x = 11,464,990,730.52 - Step 5: Solve for x
x = 11,464,990,730.52/120,145.33 - Step 6: Final answer
x = 95,426.02
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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.