Finding the Fourth Proportional to 106,930.10, 160,322.24 and 54,237.98
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Solution
The fourth proportional to 106,930.10, 160,322.24 and 54,237.98 is: 81,319.99
Step by Step Solution
- Step 1: Write the proportion equation
106,930.10 : 160,322.24 = 54,237.98 : x - Step 2: Convert to fraction form
106,930.10/160,322.24 = 54,237.98/x - Step 3: Cross multiply
106,930.10x = 160,322.24 × 54,237.98 - Step 4: Simplify right side
106,930.10x = 8,695,553,780.66 - Step 5: Solve for x
x = 8,695,553,780.66/106,930.10 - Step 6: Final answer
x = 81,319.99
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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.