Finding the Fourth Proportional to 131,764.05, 197,842.91 and 129,795.75
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Solution
The fourth proportional to 131,764.05, 197,842.91 and 129,795.75 is: 194,887.52
Step by Step Solution
- Step 1: Write the proportion equation
131,764.05 : 197,842.91 = 129,795.75 : x - Step 2: Convert to fraction form
131,764.05/197,842.91 = 129,795.75/x - Step 3: Cross multiply
131,764.05x = 197,842.91 × 129,795.75 - Step 4: Simplify right side
131,764.05x = 25,679,168,885.63 - Step 5: Solve for x
x = 25,679,168,885.63/131,764.05 - Step 6: Final answer
x = 194,887.52
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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.