Finding the Fourth Proportional to 119,115.71, 164,456.60 and 73,842.08
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Solution
The fourth proportional to 119,115.71, 164,456.60 and 73,842.08 is: 101,949.75
Step by Step Solution
- Step 1: Write the proportion equation
119,115.71 : 164,456.60 = 73,842.08 : x - Step 2: Convert to fraction form
119,115.71/164,456.60 = 73,842.08/x - Step 3: Cross multiply
119,115.71x = 164,456.60 × 73,842.08 - Step 4: Simplify right side
119,115.71x = 12,143,816,776.05 - Step 5: Solve for x
x = 12,143,816,776.05/119,115.71 - Step 6: Final answer
x = 101,949.75
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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.