Finding the Fourth Proportional to 187,813.95, 259,174.62 and 102,929.19
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Solution
The fourth proportional to 187,813.95, 259,174.62 and 102,929.19 is: 142,037.55
Step by Step Solution
- Step 1: Write the proportion equation
187,813.95 : 259,174.62 = 102,929.19 : x - Step 2: Convert to fraction form
187,813.95/259,174.62 = 102,929.19/x - Step 3: Cross multiply
187,813.95x = 259,174.62 × 102,929.19 - Step 4: Simplify right side
187,813.95x = 26,676,633,705.16 - Step 5: Solve for x
x = 26,676,633,705.16/187,813.95 - Step 6: Final answer
x = 142,037.55
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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.