Finding the Fourth Proportional to 110,083.23, 151,961.36 and 74,321.68
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Solution
The fourth proportional to 110,083.23, 151,961.36 and 74,321.68 is: 102,595.31
Step by Step Solution
- Step 1: Write the proportion equation
110,083.23 : 151,961.36 = 74,321.68 : x - Step 2: Convert to fraction form
110,083.23/151,961.36 = 74,321.68/x - Step 3: Cross multiply
110,083.23x = 151,961.36 × 74,321.68 - Step 4: Simplify right side
110,083.23x = 11,294,023,570.28 - Step 5: Solve for x
x = 11,294,023,570.28/110,083.23 - Step 6: Final answer
x = 102,595.31
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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.