Finding the Fourth Proportional to 172,121.36, 237,545.99 and 104,175.73
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Solution
The fourth proportional to 172,121.36, 237,545.99 and 104,175.73 is: 143,773.71
Step by Step Solution
- Step 1: Write the proportion equation
172,121.36 : 237,545.99 = 104,175.73 : x - Step 2: Convert to fraction form
172,121.36/237,545.99 = 104,175.73/x - Step 3: Cross multiply
172,121.36x = 237,545.99 × 104,175.73 - Step 4: Simplify right side
172,121.36x = 24,746,526,583.40 - Step 5: Solve for x
x = 24,746,526,583.40/172,121.36 - Step 6: Final answer
x = 143,773.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.