Finding the Fourth Proportional to 114,103.66, 157,624.12 and 103,877.62
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Solution
The fourth proportional to 114,103.66, 157,624.12 and 103,877.62 is: 143,497.75
Step by Step Solution
- Step 1: Write the proportion equation
114,103.66 : 157,624.12 = 103,877.62 : x - Step 2: Convert to fraction form
114,103.66/157,624.12 = 103,877.62/x - Step 3: Cross multiply
114,103.66x = 157,624.12 × 103,877.62 - Step 4: Simplify right side
114,103.66x = 16,373,618,440.19 - Step 5: Solve for x
x = 16,373,618,440.19/114,103.66 - Step 6: Final answer
x = 143,497.75
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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.