Finding the Fourth Proportional to 134,726.49, 202,148.06 and 72,324.09
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Solution
The fourth proportional to 134,726.49, 202,148.06 and 72,324.09 is: 108,517.44
Step by Step Solution
- Step 1: Write the proportion equation
134,726.49 : 202,148.06 = 72,324.09 : x - Step 2: Convert to fraction form
134,726.49/202,148.06 = 72,324.09/x - Step 3: Cross multiply
134,726.49x = 202,148.06 × 72,324.09 - Step 4: Simplify right side
134,726.49x = 14,620,174,123.15 - Step 5: Solve for x
x = 14,620,174,123.15/134,726.49 - Step 6: Final answer
x = 108,517.44
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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.