Finding the Fourth Proportional to 158,717.08, 219,029.94 and 87,097.68
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Solution
The fourth proportional to 158,717.08, 219,029.94 and 87,097.68 is: 120,195.00
Step by Step Solution
- Step 1: Write the proportion equation
158,717.08 : 219,029.94 = 87,097.68 : x - Step 2: Convert to fraction form
158,717.08/219,029.94 = 87,097.68/x - Step 3: Cross multiply
158,717.08x = 219,029.94 × 87,097.68 - Step 4: Simplify right side
158,717.08x = 19,076,999,624.54 - Step 5: Solve for x
x = 19,076,999,624.54/158,717.08 - Step 6: Final answer
x = 120,195.00
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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.