Finding the Fourth Proportional to 163,873.92, 226,130.36 and 120,876.80
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Solution
The fourth proportional to 163,873.92, 226,130.36 and 120,876.80 is: 166,798.44
Step by Step Solution
- Step 1: Write the proportion equation
163,873.92 : 226,130.36 = 120,876.80 : x - Step 2: Convert to fraction form
163,873.92/226,130.36 = 120,876.80/x - Step 3: Cross multiply
163,873.92x = 226,130.36 × 120,876.80 - Step 4: Simplify right side
163,873.92x = 27,333,914,299.65 - Step 5: Solve for x
x = 27,333,914,299.65/163,873.92 - Step 6: Final answer
x = 166,798.44
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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.