Finding the Fourth Proportional to 126,327.59, 174,330.99 and 69,737.75
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Solution
The fourth proportional to 126,327.59, 174,330.99 and 69,737.75 is: 96,237.50
Step by Step Solution
- Step 1: Write the proportion equation
126,327.59 : 174,330.99 = 69,737.75 : x - Step 2: Convert to fraction form
126,327.59/174,330.99 = 69,737.75/x - Step 3: Cross multiply
126,327.59x = 174,330.99 × 69,737.75 - Step 4: Simplify right side
126,327.59x = 12,157,450,997.87 - Step 5: Solve for x
x = 12,157,450,997.87/126,327.59 - Step 6: Final answer
x = 96,237.50
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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.