Finding the Fourth Proportional to 106,810.18, 160,239.56 and 56,863.96
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Solution
The fourth proportional to 106,810.18, 160,239.56 and 56,863.96 is: 85,308.87
Step by Step Solution
- Step 1: Write the proportion equation
106,810.18 : 160,239.56 = 56,863.96 : x - Step 2: Convert to fraction form
106,810.18/160,239.56 = 56,863.96/x - Step 3: Cross multiply
106,810.18x = 160,239.56 × 56,863.96 - Step 4: Simplify right side
106,810.18x = 9,111,855,930.26 - Step 5: Solve for x
x = 9,111,855,930.26/106,810.18 - Step 6: Final answer
x = 85,308.87
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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.