Finding the Fourth Proportional to 188,387.05, 260,042.48 and 124,745.35
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Solution
The fourth proportional to 188,387.05, 260,042.48 and 124,745.35 is: 172,193.84
Step by Step Solution
- Step 1: Write the proportion equation
188,387.05 : 260,042.48 = 124,745.35 : x - Step 2: Convert to fraction form
188,387.05/260,042.48 = 124,745.35/x - Step 3: Cross multiply
188,387.05x = 260,042.48 × 124,745.35 - Step 4: Simplify right side
188,387.05x = 32,439,090,182.47 - Step 5: Solve for x
x = 32,439,090,182.47/188,387.05 - Step 6: Final answer
x = 172,193.84
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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.