Finding the Fourth Proportional to 132,914.14, 183,420.97 and 72,484.63
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Solution
The fourth proportional to 132,914.14, 183,420.97 and 72,484.63 is: 100,028.49
Step by Step Solution
- Step 1: Write the proportion equation
132,914.14 : 183,420.97 = 72,484.63 : x - Step 2: Convert to fraction form
132,914.14/183,420.97 = 72,484.63/x - Step 3: Cross multiply
132,914.14x = 183,420.97 × 72,484.63 - Step 4: Simplify right side
132,914.14x = 13,295,201,144.69 - Step 5: Solve for x
x = 13,295,201,144.69/132,914.14 - Step 6: Final answer
x = 100,028.49
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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.