Finding the Fourth Proportional to 106,637.80, 159,726.30 and 88,205.80
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Solution
The fourth proportional to 106,637.80, 159,726.30 and 88,205.80 is: 132,118.12
Step by Step Solution
- Step 1: Write the proportion equation
106,637.80 : 159,726.30 = 88,205.80 : x - Step 2: Convert to fraction form
106,637.80/159,726.30 = 88,205.80/x - Step 3: Cross multiply
106,637.80x = 159,726.30 × 88,205.80 - Step 4: Simplify right side
106,637.80x = 14,088,786,072.54 - Step 5: Solve for x
x = 14,088,786,072.54/106,637.80 - Step 6: Final answer
x = 132,118.12
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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.