Finding the Fourth Proportional to 111,546.95, 153,934.99 and 60,559.75
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Solution
The fourth proportional to 111,546.95, 153,934.99 and 60,559.75 is: 83,572.56
Step by Step Solution
- Step 1: Write the proportion equation
111,546.95 : 153,934.99 = 60,559.75 : x - Step 2: Convert to fraction form
111,546.95/153,934.99 = 60,559.75/x - Step 3: Cross multiply
111,546.95x = 153,934.99 × 60,559.75 - Step 4: Simplify right side
111,546.95x = 9,322,263,974.42 - Step 5: Solve for x
x = 9,322,263,974.42/111,546.95 - Step 6: Final answer
x = 83,572.56
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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.