Finding the Fourth Proportional to 126,593.68, 174,716.68 and 72,877.52
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Solution
The fourth proportional to 126,593.68, 174,716.68 and 72,877.52 is: 100,581.00
Step by Step Solution
- Step 1: Write the proportion equation
126,593.68 : 174,716.68 = 72,877.52 : x - Step 2: Convert to fraction form
126,593.68/174,716.68 = 72,877.52/x - Step 3: Cross multiply
126,593.68x = 174,716.68 × 72,877.52 - Step 4: Simplify right side
126,593.68x = 12,732,918,341.03 - Step 5: Solve for x
x = 12,732,918,341.03/126,593.68 - Step 6: Final answer
x = 100,581.00
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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.