Finding the Fourth Proportional to 100,917.98, 151,377.18 and 94,752.44
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Solution
The fourth proportional to 100,917.98, 151,377.18 and 94,752.44 is: 142,128.85
Step by Step Solution
- Step 1: Write the proportion equation
100,917.98 : 151,377.18 = 94,752.44 : x - Step 2: Convert to fraction form
100,917.98/151,377.18 = 94,752.44/x - Step 3: Cross multiply
100,917.98x = 151,377.18 × 94,752.44 - Step 4: Simplify right side
100,917.98x = 14,343,356,645.31 - Step 5: Solve for x
x = 14,343,356,645.31/100,917.98 - Step 6: Final answer
x = 142,128.85
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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.