Finding the Fourth Proportional to 187,116.84, 258,220.80 and 102,234.54
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Solution
The fourth proportional to 187,116.84, 258,220.80 and 102,234.54 is: 141,083.43
Step by Step Solution
- Step 1: Write the proportion equation
187,116.84 : 258,220.80 = 102,234.54 : x - Step 2: Convert to fraction form
187,116.84/258,220.80 = 102,234.54/x - Step 3: Cross multiply
187,116.84x = 258,220.80 × 102,234.54 - Step 4: Simplify right side
187,116.84x = 26,399,084,706.43 - Step 5: Solve for x
x = 26,399,084,706.43/187,116.84 - Step 6: Final answer
x = 141,083.43
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1.5x scale
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.