Finding the Fourth Proportional to 124,421.04, 186,306.26 and 68,144.09
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Solution
The fourth proportional to 124,421.04, 186,306.26 and 68,144.09 is: 102,037.96
Step by Step Solution
- Step 1: Write the proportion equation
124,421.04 : 186,306.26 = 68,144.09 : x - Step 2: Convert to fraction form
124,421.04/186,306.26 = 68,144.09/x - Step 3: Cross multiply
124,421.04x = 186,306.26 × 68,144.09 - Step 4: Simplify right side
124,421.04x = 12,695,669,276.75 - Step 5: Solve for x
x = 12,695,669,276.75/124,421.04 - Step 6: Final answer
x = 102,037.96
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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.