Finding the Fourth Proportional to 163,149.87, 225,135.24 and 90,556.65
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Solution
The fourth proportional to 163,149.87, 225,135.24 and 90,556.65 is: 124,961.75
Step by Step Solution
- Step 1: Write the proportion equation
163,149.87 : 225,135.24 = 90,556.65 : x - Step 2: Convert to fraction form
163,149.87/225,135.24 = 90,556.65/x - Step 3: Cross multiply
163,149.87x = 225,135.24 × 90,556.65 - Step 4: Simplify right side
163,149.87x = 20,387,493,131.35 - Step 5: Solve for x
x = 20,387,493,131.35/163,149.87 - Step 6: Final answer
x = 124,961.75
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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.