Finding the Fourth Proportional to 146,445.75, 202,095.27 and 79,377.75
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Solution
The fourth proportional to 146,445.75, 202,095.27 and 79,377.75 is: 109,541.37
Step by Step Solution
- Step 1: Write the proportion equation
146,445.75 : 202,095.27 = 79,377.75 : x - Step 2: Convert to fraction form
146,445.75/202,095.27 = 79,377.75/x - Step 3: Cross multiply
146,445.75x = 202,095.27 × 79,377.75 - Step 4: Simplify right side
146,445.75x = 16,041,867,818.24 - Step 5: Solve for x
x = 16,041,867,818.24/146,445.75 - Step 6: Final answer
x = 109,541.37
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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.