Finding the Fourth Proportional to 106,899.21, 160,347.14 and 36,779.13
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Solution
The fourth proportional to 106,899.21, 160,347.14 and 36,779.13 is: 55,168.12
Step by Step Solution
- Step 1: Write the proportion equation
106,899.21 : 160,347.14 = 36,779.13 : x - Step 2: Convert to fraction form
106,899.21/160,347.14 = 36,779.13/x - Step 3: Cross multiply
106,899.21x = 160,347.14 × 36,779.13 - Step 4: Simplify right side
106,899.21x = 5,897,428,123.29 - Step 5: Solve for x
x = 5,897,428,123.29/106,899.21 - Step 6: Final answer
x = 55,168.12
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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.