Finding the Fourth Proportional to 132,905.99, 199,331.80 and 38,110.78
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Solution
The fourth proportional to 132,905.99, 199,331.80 and 38,110.78 is: 57,158.37
Step by Step Solution
- Step 1: Write the proportion equation
132,905.99 : 199,331.80 = 38,110.78 : x - Step 2: Convert to fraction form
132,905.99/199,331.80 = 38,110.78/x - Step 3: Cross multiply
132,905.99x = 199,331.80 × 38,110.78 - Step 4: Simplify right side
132,905.99x = 7,596,689,783.20 - Step 5: Solve for x
x = 7,596,689,783.20/132,905.99 - Step 6: Final answer
x = 57,158.37
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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.