Finding the Fourth Proportional to 111,174.06, 153,418.68 and 60,873.06
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Solution
The fourth proportional to 111,174.06, 153,418.68 and 60,873.06 is: 84,003.99
Step by Step Solution
- Step 1: Write the proportion equation
111,174.06 : 153,418.68 = 60,873.06 : x - Step 2: Convert to fraction form
111,174.06/153,418.68 = 60,873.06/x - Step 3: Cross multiply
111,174.06x = 153,418.68 × 60,873.06 - Step 4: Simplify right side
111,174.06x = 9,339,064,512.76 - Step 5: Solve for x
x = 9,339,064,512.76/111,174.06 - Step 6: Final answer
x = 84,003.99
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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.