Finding the Fourth Proportional to 141,339.15, 211,925.69 and 57,101.99
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Solution
The fourth proportional to 141,339.15, 211,925.69 and 57,101.99 is: 85,619.43
Step by Step Solution
- Step 1: Write the proportion equation
141,339.15 : 211,925.69 = 57,101.99 : x - Step 2: Convert to fraction form
141,339.15/211,925.69 = 57,101.99/x - Step 3: Cross multiply
141,339.15x = 211,925.69 × 57,101.99 - Step 4: Simplify right side
141,339.15x = 12,101,377,285.98 - Step 5: Solve for x
x = 12,101,377,285.98/141,339.15 - Step 6: Final answer
x = 85,619.43
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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.