Finding the Fourth Proportional to 124,183.99, 171,347.97 and 81,226.45
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Solution
The fourth proportional to 124,183.99, 171,347.97 and 81,226.45 is: 112,075.54
Step by Step Solution
- Step 1: Write the proportion equation
124,183.99 : 171,347.97 = 81,226.45 : x - Step 2: Convert to fraction form
124,183.99/171,347.97 = 81,226.45/x - Step 3: Cross multiply
124,183.99x = 171,347.97 × 81,226.45 - Step 4: Simplify right side
124,183.99x = 13,917,987,317.81 - Step 5: Solve for x
x = 13,917,987,317.81/124,183.99 - Step 6: Final answer
x = 112,075.54
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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.