Finding the Fourth Proportional to 146,048.18, 201,546.38 and 78,980.18
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Solution
The fourth proportional to 146,048.18, 201,546.38 and 78,980.18 is: 108,992.59
Step by Step Solution
- Step 1: Write the proportion equation
146,048.18 : 201,546.38 = 78,980.18 : x - Step 2: Convert to fraction form
146,048.18/201,546.38 = 78,980.18/x - Step 3: Cross multiply
146,048.18x = 201,546.38 × 78,980.18 - Step 4: Simplify right side
146,048.18x = 15,918,169,370.75 - Step 5: Solve for x
x = 15,918,169,370.75/146,048.18 - Step 6: Final answer
x = 108,992.59
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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.