Finding the Fourth Proportional to 146,065.48, 201,082.98 and 139,378.12
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Solution
The fourth proportional to 146,065.48, 201,082.98 and 139,378.12 is: 191,876.74
Step by Step Solution
- Step 1: Write the proportion equation
146,065.48 : 201,082.98 = 139,378.12 : x - Step 2: Convert to fraction form
146,065.48/201,082.98 = 139,378.12/x - Step 3: Cross multiply
146,065.48x = 201,082.98 × 139,378.12 - Step 4: Simplify right side
146,065.48x = 28,026,567,716.40 - Step 5: Solve for x
x = 28,026,567,716.40/146,065.48 - Step 6: Final answer
x = 191,876.74
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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.