Finding the Fourth Proportional to 137,829.17, 206,618.91 and 95,729.13
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Solution
The fourth proportional to 137,829.17, 206,618.91 and 95,729.13 is: 143,506.99
Step by Step Solution
- Step 1: Write the proportion equation
137,829.17 : 206,618.91 = 95,729.13 : x - Step 2: Convert to fraction form
137,829.17/206,618.91 = 95,729.13/x - Step 3: Cross multiply
137,829.17x = 206,618.91 × 95,729.13 - Step 4: Simplify right side
137,829.17x = 19,779,448,495.85 - Step 5: Solve for x
x = 19,779,448,495.85/137,829.17 - Step 6: Final answer
x = 143,506.99
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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.