Finding the Fourth Proportional to 147,257.81, 203,210.43 and 89,992.94
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Solution
The fourth proportional to 147,257.81, 203,210.43 and 89,992.94 is: 124,186.99
Step by Step Solution
- Step 1: Write the proportion equation
147,257.81 : 203,210.43 = 89,992.94 : x - Step 2: Convert to fraction form
147,257.81/203,210.43 = 89,992.94/x - Step 3: Cross multiply
147,257.81x = 203,210.43 × 89,992.94 - Step 4: Simplify right side
147,257.81x = 18,287,503,018.31 - Step 5: Solve for x
x = 18,287,503,018.31/147,257.81 - Step 6: Final answer
x = 124,186.99
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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.