Finding the Fourth Proportional to 136,725.70, 205,088.55 and 124,259.80
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Solution
The fourth proportional to 136,725.70, 205,088.55 and 124,259.80 is: 186,389.70
Step by Step Solution
- Step 1: Write the proportion equation
136,725.70 : 205,088.55 = 124,259.80 : x - Step 2: Convert to fraction form
136,725.70/205,088.55 = 124,259.80/x - Step 3: Cross multiply
136,725.70x = 205,088.55 × 124,259.80 - Step 4: Simplify right side
136,725.70x = 25,484,262,205.29 - Step 5: Solve for x
x = 25,484,262,205.29/136,725.70 - Step 6: Final answer
x = 186,389.70
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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.