Finding the Fourth Proportional to 159,516.19, 220,133.15 and 87,896.08
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Solution
The fourth proportional to 159,516.19, 220,133.15 and 87,896.08 is: 121,297.04
Step by Step Solution
- Step 1: Write the proportion equation
159,516.19 : 220,133.15 = 87,896.08 : x - Step 2: Convert to fraction form
159,516.19/220,133.15 = 87,896.08/x - Step 3: Cross multiply
159,516.19x = 220,133.15 × 87,896.08 - Step 4: Simplify right side
159,516.19x = 19,348,840,963.05 - Step 5: Solve for x
x = 19,348,840,963.05/159,516.19 - Step 6: Final answer
x = 121,297.04
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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.