Finding the Fourth Proportional to 124,849.14, 172,291.96 and 71,133.99
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Solution
The fourth proportional to 124,849.14, 172,291.96 and 71,133.99 is: 98,164.99
Step by Step Solution
- Step 1: Write the proportion equation
124,849.14 : 172,291.96 = 71,133.99 : x - Step 2: Convert to fraction form
124,849.14/172,291.96 = 71,133.99/x - Step 3: Cross multiply
124,849.14x = 172,291.96 × 71,133.99 - Step 4: Simplify right side
124,849.14x = 12,255,814,559.72 - Step 5: Solve for x
x = 12,255,814,559.72/124,849.14 - Step 6: Final answer
x = 98,164.99
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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.