Finding the Fourth Proportional to 133,231.06, 183,858.81 and 73,615.06
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Solution
The fourth proportional to 133,231.06, 183,858.81 and 73,615.06 is: 101,588.75
Step by Step Solution
- Step 1: Write the proportion equation
133,231.06 : 183,858.81 = 73,615.06 : x - Step 2: Convert to fraction form
133,231.06/183,858.81 = 73,615.06/x - Step 3: Cross multiply
133,231.06x = 183,858.81 × 73,615.06 - Step 4: Simplify right side
133,231.06x = 13,534,777,329.68 - Step 5: Solve for x
x = 13,534,777,329.68/133,231.06 - Step 6: Final answer
x = 101,588.75
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1.5x scale
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.