Finding the Fourth Proportional to 107,842.99, 148,805.84 and 62,512.13
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Solution
The fourth proportional to 107,842.99, 148,805.84 and 62,512.13 is: 86,256.60
Step by Step Solution
- Step 1: Write the proportion equation
107,842.99 : 148,805.84 = 62,512.13 : x - Step 2: Convert to fraction form
107,842.99/148,805.84 = 62,512.13/x - Step 3: Cross multiply
107,842.99x = 148,805.84 × 62,512.13 - Step 4: Simplify right side
107,842.99x = 9,302,170,014.84 - Step 5: Solve for x
x = 9,302,170,014.84/107,842.99 - Step 6: Final answer
x = 86,256.60
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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.