Finding the Fourth Proportional to 106,366.86, 146,787.26 and 58,621.95
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Solution
The fourth proportional to 106,366.86, 146,787.26 and 58,621.95 is: 80,898.84
Step by Step Solution
- Step 1: Write the proportion equation
106,366.86 : 146,787.26 = 58,621.95 : x - Step 2: Convert to fraction form
106,366.86/146,787.26 = 58,621.95/x - Step 3: Cross multiply
106,366.86x = 146,787.26 × 58,621.95 - Step 4: Simplify right side
106,366.86x = 8,604,955,123.25 - Step 5: Solve for x
x = 8,604,955,123.25/106,366.86 - Step 6: Final answer
x = 80,898.84
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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.