Finding the Fourth Proportional to 111,165.18, 153,406.79 and 60,176.99
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Solution
The fourth proportional to 111,165.18, 153,406.79 and 60,176.99 is: 83,043.62
Step by Step Solution
- Step 1: Write the proportion equation
111,165.18 : 153,406.79 = 60,176.99 : x - Step 2: Convert to fraction form
111,165.18/153,406.79 = 60,176.99/x - Step 3: Cross multiply
111,165.18x = 153,406.79 × 60,176.99 - Step 4: Simplify right side
111,165.18x = 9,231,558,867.76 - Step 5: Solve for x
x = 9,231,558,867.76/111,165.18 - Step 6: Final answer
x = 83,043.62
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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.