Finding the Fourth Proportional to 124,855.08, 172,257.80 and 71,101.98
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Solution
The fourth proportional to 124,855.08, 172,257.80 and 71,101.98 is: 98,096.69
Step by Step Solution
- Step 1: Write the proportion equation
124,855.08 : 172,257.80 = 71,101.98 : x - Step 2: Convert to fraction form
124,855.08/172,257.80 = 71,101.98/x - Step 3: Cross multiply
124,855.08x = 172,257.80 × 71,101.98 - Step 4: Simplify right side
124,855.08x = 12,247,870,650.44 - Step 5: Solve for x
x = 12,247,870,650.44/124,855.08 - Step 6: Final answer
x = 98,096.69
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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.