Finding the Fourth Proportional to 146,495.75, 202,164.14 and 79,427.75
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Solution
The fourth proportional to 146,495.75, 202,164.14 and 79,427.75 is: 109,610.30
Step by Step Solution
- Step 1: Write the proportion equation
146,495.75 : 202,164.14 = 79,427.75 : x - Step 2: Convert to fraction form
146,495.75/202,164.14 = 79,427.75/x - Step 3: Cross multiply
146,495.75x = 202,164.14 × 79,427.75 - Step 4: Simplify right side
146,495.75x = 16,057,442,373.75 - Step 5: Solve for x
x = 16,057,442,373.75/146,495.75 - Step 6: Final answer
x = 109,610.30
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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.