Finding the Fourth Proportional to 136,850.92, 205,295.99 and 42,089.02
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Solution
The fourth proportional to 136,850.92, 205,295.99 and 42,089.02 is: 63,139.56
Step by Step Solution
- Step 1: Write the proportion equation
136,850.92 : 205,295.99 = 42,089.02 : x - Step 2: Convert to fraction form
136,850.92/205,295.99 = 42,089.02/x - Step 3: Cross multiply
136,850.92x = 205,295.99 × 42,089.02 - Step 4: Simplify right side
136,850.92x = 8,640,706,305.34 - Step 5: Solve for x
x = 8,640,706,305.34/136,850.92 - Step 6: Final answer
x = 63,139.56
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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.