Finding the Fourth Proportional to 122,637.39, 182,854.69 and 117,954.99
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Solution
The fourth proportional to 122,637.39, 182,854.69 and 117,954.99 is: 175,873.14
Step by Step Solution
- Step 1: Write the proportion equation
122,637.39 : 182,854.69 = 117,954.99 : x - Step 2: Convert to fraction form
122,637.39/182,854.69 = 117,954.99/x - Step 3: Cross multiply
122,637.39x = 182,854.69 × 117,954.99 - Step 4: Simplify right side
122,637.39x = 21,568,622,736.01 - Step 5: Solve for x
x = 21,568,622,736.01/122,637.39 - Step 6: Final answer
x = 175,873.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.