Finding the Fourth Proportional to 105,971.76, 146,240.91 and 58,224.99
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Solution
The fourth proportional to 105,971.76, 146,240.91 and 58,224.99 is: 80,350.42
Step by Step Solution
- Step 1: Write the proportion equation
105,971.76 : 146,240.91 = 58,224.99 : x - Step 2: Convert to fraction form
105,971.76/146,240.91 = 58,224.99/x - Step 3: Cross multiply
105,971.76x = 146,240.91 × 58,224.99 - Step 4: Simplify right side
105,971.76x = 8,514,875,522.34 - Step 5: Solve for x
x = 8,514,875,522.34/105,971.76 - Step 6: Final answer
x = 80,350.42
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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.