Finding the Fourth Proportional to 146,691.02, 202,433.10 and 79,623.02
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Solution
The fourth proportional to 146,691.02, 202,433.10 and 79,623.02 is: 109,879.49
Step by Step Solution
- Step 1: Write the proportion equation
146,691.02 : 202,433.10 = 79,623.02 : x - Step 2: Convert to fraction form
146,691.02/202,433.10 = 79,623.02/x - Step 3: Cross multiply
146,691.02x = 202,433.10 × 79,623.02 - Step 4: Simplify right side
146,691.02x = 16,118,334,769.96 - Step 5: Solve for x
x = 16,118,334,769.96/146,691.02 - Step 6: Final answer
x = 109,879.49
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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.