Finding the Fourth Proportional to 118,065.63, 162,930.99 and 64,351.08
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Solution
The fourth proportional to 118,065.63, 162,930.99 and 64,351.08 is: 88,804.72
Step by Step Solution
- Step 1: Write the proportion equation
118,065.63 : 162,930.99 = 64,351.08 : x - Step 2: Convert to fraction form
118,065.63/162,930.99 = 64,351.08/x - Step 3: Cross multiply
118,065.63x = 162,930.99 × 64,351.08 - Step 4: Simplify right side
118,065.63x = 10,484,785,171.97 - Step 5: Solve for x
x = 10,484,785,171.97/118,065.63 - Step 6: Final answer
x = 88,804.72
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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.