Finding the Fourth Proportional to 136,359.99, 188,177.00 and 75,942.27
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Solution
The fourth proportional to 136,359.99, 188,177.00 and 75,942.27 is: 104,800.45
Step by Step Solution
- Step 1: Write the proportion equation
136,359.99 : 188,177.00 = 75,942.27 : x - Step 2: Convert to fraction form
136,359.99/188,177.00 = 75,942.27/x - Step 3: Cross multiply
136,359.99x = 188,177.00 × 75,942.27 - Step 4: Simplify right side
136,359.99x = 14,290,588,162.08 - Step 5: Solve for x
x = 14,290,588,162.08/136,359.99 - Step 6: Final answer
x = 104,800.45
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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.