Finding the Fourth Proportional to 133,857.75, 184,721.97 and 76,496.41
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Solution
The fourth proportional to 133,857.75, 184,721.97 and 76,496.41 is: 105,564.07
Step by Step Solution
- Step 1: Write the proportion equation
133,857.75 : 184,721.97 = 76,496.41 : x - Step 2: Convert to fraction form
133,857.75/184,721.97 = 76,496.41/x - Step 3: Cross multiply
133,857.75x = 184,721.97 × 76,496.41 - Step 4: Simplify right side
133,857.75x = 14,130,568,160.13 - Step 5: Solve for x
x = 14,130,568,160.13/133,857.75 - Step 6: Final answer
x = 105,564.07
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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.