Finding the Fourth Proportional to 106,787.98, 160,278.99 and 56,910.70
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Solution
The fourth proportional to 106,787.98, 160,278.99 and 56,910.70 is: 85,417.76
Step by Step Solution
- Step 1: Write the proportion equation
106,787.98 : 160,278.99 = 56,910.70 : x - Step 2: Convert to fraction form
106,787.98/160,278.99 = 56,910.70/x - Step 3: Cross multiply
106,787.98x = 160,278.99 × 56,910.70 - Step 4: Simplify right side
106,787.98x = 9,121,589,516.19 - Step 5: Solve for x
x = 9,121,589,516.19/106,787.98 - Step 6: Final answer
x = 85,417.76
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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.