Finding the Fourth Proportional to 134,739.10, 202,108.65 and 119,575.90
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Solution
The fourth proportional to 134,739.10, 202,108.65 and 119,575.90 is: 179,363.85
Step by Step Solution
- Step 1: Write the proportion equation
134,739.10 : 202,108.65 = 119,575.90 : x - Step 2: Convert to fraction form
134,739.10/202,108.65 = 119,575.90/x - Step 3: Cross multiply
134,739.10x = 202,108.65 × 119,575.90 - Step 4: Simplify right side
134,739.10x = 24,167,323,721.54 - Step 5: Solve for x
x = 24,167,323,721.54/134,739.10 - Step 6: Final answer
x = 179,363.85
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1.5x scale
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.