Finding the Fourth Proportional to 105,425.48, 158,138.36 and 43,095.98
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Solution
The fourth proportional to 105,425.48, 158,138.36 and 43,095.98 is: 64,644.02
Step by Step Solution
- Step 1: Write the proportion equation
105,425.48 : 158,138.36 = 43,095.98 : x - Step 2: Convert to fraction form
105,425.48/158,138.36 = 43,095.98/x - Step 3: Cross multiply
105,425.48x = 158,138.36 × 43,095.98 - Step 4: Simplify right side
105,425.48x = 6,815,126,593.62 - Step 5: Solve for x
x = 6,815,126,593.62/105,425.48 - Step 6: Final answer
x = 64,644.02
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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.