Finding the Fourth Proportional to 118,956.26, 178,377.87 and 69,051.65
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Solution
The fourth proportional to 118,956.26, 178,377.87 and 69,051.65 is: 103,544.66
Step by Step Solution
- Step 1: Write the proportion equation
118,956.26 : 178,377.87 = 69,051.65 : x - Step 2: Convert to fraction form
118,956.26/178,377.87 = 69,051.65/x - Step 3: Cross multiply
118,956.26x = 178,377.87 × 69,051.65 - Step 4: Simplify right side
118,956.26x = 12,317,285,355.10 - Step 5: Solve for x
x = 12,317,285,355.10/118,956.26 - Step 6: Final answer
x = 103,544.66
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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.