Finding the Fourth Proportional to 104,881.95, 144,737.35 and 57,135.65
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Solution
The fourth proportional to 104,881.95, 144,737.35 and 57,135.65 is: 78,847.33
Step by Step Solution
- Step 1: Write the proportion equation
104,881.95 : 144,737.35 = 57,135.65 : x - Step 2: Convert to fraction form
104,881.95/144,737.35 = 57,135.65/x - Step 3: Cross multiply
104,881.95x = 144,737.35 × 57,135.65 - Step 4: Simplify right side
104,881.95x = 8,269,661,705.00 - Step 5: Solve for x
x = 8,269,661,705.00/104,881.95 - Step 6: Final answer
x = 78,847.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.