Finding the Fourth Proportional to 124,661.99, 172,046.00 and 74,360.99
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Solution
The fourth proportional to 124,661.99, 172,046.00 and 74,360.99 is: 102,625.60
Step by Step Solution
- Step 1: Write the proportion equation
124,661.99 : 172,046.00 = 74,360.99 : x - Step 2: Convert to fraction form
124,661.99/172,046.00 = 74,360.99/x - Step 3: Cross multiply
124,661.99x = 172,046.00 × 74,360.99 - Step 4: Simplify right side
124,661.99x = 12,793,511,501.56 - Step 5: Solve for x
x = 12,793,511,501.56/124,661.99 - Step 6: Final answer
x = 102,625.60
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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.