Finding the Fourth Proportional to 147,025.75, 202,895.54 and 79,957.75
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Solution
The fourth proportional to 147,025.75, 202,895.54 and 79,957.75 is: 110,341.70
Step by Step Solution
- Step 1: Write the proportion equation
147,025.75 : 202,895.54 = 79,957.75 : x - Step 2: Convert to fraction form
147,025.75/202,895.54 = 79,957.75/x - Step 3: Cross multiply
147,025.75x = 202,895.54 × 79,957.75 - Step 4: Simplify right side
147,025.75x = 16,223,070,863.44 - Step 5: Solve for x
x = 16,223,070,863.44/147,025.75 - Step 6: Final answer
x = 110,341.70
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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.