Finding the Fourth Proportional to 138,553.60, 207,927.60 and 88,754.80
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Solution
The fourth proportional to 138,553.60, 207,927.60 and 88,754.80 is: 133,194.46
Step by Step Solution
- Step 1: Write the proportion equation
138,553.60 : 207,927.60 = 88,754.80 : x - Step 2: Convert to fraction form
138,553.60/207,927.60 = 88,754.80/x - Step 3: Cross multiply
138,553.60x = 207,927.60 × 88,754.80 - Step 4: Simplify right side
138,553.60x = 18,454,572,552.48 - Step 5: Solve for x
x = 18,454,572,552.48/138,553.60 - Step 6: Final answer
x = 133,194.46
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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.