Finding the Fourth Proportional to 106,334.80, 159,502.44 and 99,839.44
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Solution
The fourth proportional to 106,334.80, 159,502.44 and 99,839.44 is: 149,759.39
Step by Step Solution
- Step 1: Write the proportion equation
106,334.80 : 159,502.44 = 99,839.44 : x - Step 2: Convert to fraction form
106,334.80/159,502.44 = 99,839.44/x - Step 3: Cross multiply
106,334.80x = 159,502.44 × 99,839.44 - Step 4: Simplify right side
106,334.80x = 15,924,634,288.23 - Step 5: Solve for x
x = 15,924,634,288.23/106,334.80 - Step 6: Final answer
x = 149,759.39
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.