Finding the Fourth Proportional to 135,134.85, 202,726.98 and 45,169.05
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Solution
The fourth proportional to 135,134.85, 202,726.98 and 45,169.05 is: 67,761.83
Step by Step Solution
- Step 1: Write the proportion equation
135,134.85 : 202,726.98 = 45,169.05 : x - Step 2: Convert to fraction form
135,134.85/202,726.98 = 45,169.05/x - Step 3: Cross multiply
135,134.85x = 202,726.98 × 45,169.05 - Step 4: Simplify right side
135,134.85x = 9,156,985,095.97 - Step 5: Solve for x
x = 9,156,985,095.97/135,134.85 - Step 6: Final answer
x = 67,761.83
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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.