Finding the Fourth Proportional to 136,430.99, 204,774.47 and 83,942.99
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Solution
The fourth proportional to 136,430.99, 204,774.47 and 83,942.99 is: 125,993.23
Step by Step Solution
- Step 1: Write the proportion equation
136,430.99 : 204,774.47 = 83,942.99 : x - Step 2: Convert to fraction form
136,430.99/204,774.47 = 83,942.99/x - Step 3: Cross multiply
136,430.99x = 204,774.47 × 83,942.99 - Step 4: Simplify right side
136,430.99x = 17,189,380,867.75 - Step 5: Solve for x
x = 17,189,380,867.75/136,430.99 - Step 6: Final answer
x = 125,993.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.