Finding the Fourth Proportional to 146,430.88, 202,077.84 and 89,808.80
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Solution
The fourth proportional to 146,430.88, 202,077.84 and 89,808.80 is: 123,938.12
Step by Step Solution
- Step 1: Write the proportion equation
146,430.88 : 202,077.84 = 89,808.80 : x - Step 2: Convert to fraction form
146,430.88/202,077.84 = 89,808.80/x - Step 3: Cross multiply
146,430.88x = 202,077.84 × 89,808.80 - Step 4: Simplify right side
146,430.88x = 18,148,368,316.99 - Step 5: Solve for x
x = 18,148,368,316.99/146,430.88 - Step 6: Final answer
x = 123,938.12
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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.