Finding the Fourth Proportional to 126,955.16, 175,192.08 and 73,257.44
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Solution
The fourth proportional to 126,955.16, 175,192.08 and 73,257.44 is: 101,091.78
Step by Step Solution
- Step 1: Write the proportion equation
126,955.16 : 175,192.08 = 73,257.44 : x - Step 2: Convert to fraction form
126,955.16/175,192.08 = 73,257.44/x - Step 3: Cross multiply
126,955.16x = 175,192.08 × 73,257.44 - Step 4: Simplify right side
126,955.16x = 12,834,123,289.08 - Step 5: Solve for x
x = 12,834,123,289.08/126,955.16 - Step 6: Final answer
x = 101,091.78
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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.