Finding the Fourth Proportional to 161,759.80, 242,639.70 and 83,027.80
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Solution
The fourth proportional to 161,759.80, 242,639.70 and 83,027.80 is: 124,541.70
Step by Step Solution
- Step 1: Write the proportion equation
161,759.80 : 242,639.70 = 83,027.80 : x - Step 2: Convert to fraction form
161,759.80/242,639.70 = 83,027.80/x - Step 3: Cross multiply
161,759.80x = 242,639.70 × 83,027.80 - Step 4: Simplify right side
161,759.80x = 20,145,840,483.66 - Step 5: Solve for x
x = 20,145,840,483.66/161,759.80 - Step 6: Final answer
x = 124,541.70
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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.