Finding the Fourth Proportional to 125,252.44, 172,841.84 and 71,526.96
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Solution
The fourth proportional to 125,252.44, 172,841.84 and 71,526.96 is: 98,703.48
Step by Step Solution
- Step 1: Write the proportion equation
125,252.44 : 172,841.84 = 71,526.96 : x - Step 2: Convert to fraction form
125,252.44/172,841.84 = 71,526.96/x - Step 3: Cross multiply
125,252.44x = 172,841.84 × 71,526.96 - Step 4: Simplify right side
125,252.44x = 12,362,851,376.01 - Step 5: Solve for x
x = 12,362,851,376.01/125,252.44 - Step 6: Final answer
x = 98,703.48
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1.5x scale
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.