Finding the Fourth Proportional to 166,163.16, 229,303.99 and 90,711.66
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Solution
The fourth proportional to 166,163.16, 229,303.99 and 90,711.66 is: 125,181.45
Step by Step Solution
- Step 1: Write the proportion equation
166,163.16 : 229,303.99 = 90,711.66 : x - Step 2: Convert to fraction form
166,163.16/229,303.99 = 90,711.66/x - Step 3: Cross multiply
166,163.16x = 229,303.99 × 90,711.66 - Step 4: Simplify right side
166,163.16x = 20,800,545,577.52 - Step 5: Solve for x
x = 20,800,545,577.52/166,163.16 - Step 6: Final answer
x = 125,181.45
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1.5x scale
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.