Finding the Fourth Proportional to 134,934.12, 202,365.84 and 40,138.81
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Solution
The fourth proportional to 134,934.12, 202,365.84 and 40,138.81 is: 60,197.70
Step by Step Solution
- Step 1: Write the proportion equation
134,934.12 : 202,365.84 = 40,138.81 : x - Step 2: Convert to fraction form
134,934.12/202,365.84 = 40,138.81/x - Step 3: Cross multiply
134,934.12x = 202,365.84 × 40,138.81 - Step 4: Simplify right side
134,934.12x = 8,122,723,646.86 - Step 5: Solve for x
x = 8,122,723,646.86/134,934.12 - Step 6: Final answer
x = 60,197.70
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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.