Finding the Fourth Proportional to 106,193.94, 146,542.07 and 58,438.08
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Solution
The fourth proportional to 106,193.94, 146,542.07 and 58,438.08 is: 80,641.48
Step by Step Solution
- Step 1: Write the proportion equation
106,193.94 : 146,542.07 = 58,438.08 : x - Step 2: Convert to fraction form
106,193.94/146,542.07 = 58,438.08/x - Step 3: Cross multiply
106,193.94x = 146,542.07 × 58,438.08 - Step 4: Simplify right side
106,193.94x = 8,563,636,917.84 - Step 5: Solve for x
x = 8,563,636,917.84/106,193.94 - Step 6: Final answer
x = 80,641.48
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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.