Finding the Fourth Proportional to 167,752.13, 231,497.94 and 91,271.26
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Solution
The fourth proportional to 167,752.13, 231,497.94 and 91,271.26 is: 125,954.33
Step by Step Solution
- Step 1: Write the proportion equation
167,752.13 : 231,497.94 = 91,271.26 : x - Step 2: Convert to fraction form
167,752.13/231,497.94 = 91,271.26/x - Step 3: Cross multiply
167,752.13x = 231,497.94 × 91,271.26 - Step 4: Simplify right side
167,752.13x = 21,129,107,358.92 - Step 5: Solve for x
x = 21,129,107,358.92/167,752.13 - Step 6: Final answer
x = 125,954.33
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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.