Finding the Fourth Proportional to 126,322.74, 174,331.44 and 69,737.76
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Solution
The fourth proportional to 126,322.74, 174,331.44 and 69,737.76 is: 96,241.45
Step by Step Solution
- Step 1: Write the proportion equation
126,322.74 : 174,331.44 = 69,737.76 : x - Step 2: Convert to fraction form
126,322.74/174,331.44 = 69,737.76/x - Step 3: Cross multiply
126,322.74x = 174,331.44 × 69,737.76 - Step 4: Simplify right side
126,322.74x = 12,157,484,123.17 - Step 5: Solve for x
x = 12,157,484,123.17/126,322.74 - Step 6: Final answer
x = 96,241.45
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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.