Finding the Fourth Proportional to 127,581.58, 176,058.12 and 70,220.62
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Solution
The fourth proportional to 127,581.58, 176,058.12 and 70,220.62 is: 96,902.00
Step by Step Solution
- Step 1: Write the proportion equation
127,581.58 : 176,058.12 = 70,220.62 : x - Step 2: Convert to fraction form
127,581.58/176,058.12 = 70,220.62/x - Step 3: Cross multiply
127,581.58x = 176,058.12 × 70,220.62 - Step 4: Simplify right side
127,581.58x = 12,362,910,342.43 - Step 5: Solve for x
x = 12,362,910,342.43/127,581.58 - Step 6: Final answer
x = 96,902.00
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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.