Finding the Fourth Proportional to 142,685.04, 196,888.53 and 82,254.99
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Solution
The fourth proportional to 142,685.04, 196,888.53 and 82,254.99 is: 113,502.19
Step by Step Solution
- Step 1: Write the proportion equation
142,685.04 : 196,888.53 = 82,254.99 : x - Step 2: Convert to fraction form
142,685.04/196,888.53 = 82,254.99/x - Step 3: Cross multiply
142,685.04x = 196,888.53 × 82,254.99 - Step 4: Simplify right side
142,685.04x = 16,195,064,066.26 - Step 5: Solve for x
x = 16,195,064,066.26/142,685.04 - Step 6: Final answer
x = 113,502.19
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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.