Finding the Fourth Proportional to 146,749.20, 202,518.27 and 93,021.90
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Solution
The fourth proportional to 146,749.20, 202,518.27 and 93,021.90 is: 128,372.99
Step by Step Solution
- Step 1: Write the proportion equation
146,749.20 : 202,518.27 = 93,021.90 : x - Step 2: Convert to fraction form
146,749.20/202,518.27 = 93,021.90/x - Step 3: Cross multiply
146,749.20x = 202,518.27 × 93,021.90 - Step 4: Simplify right side
146,749.20x = 18,838,634,260.11 - Step 5: Solve for x
x = 18,838,634,260.11/146,749.20 - Step 6: Final answer
x = 128,372.99
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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.