Finding the Fourth Proportional to 118,559.09, 163,565.73 and 73,158.19
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Solution
The fourth proportional to 118,559.09, 163,565.73 and 73,158.19 is: 100,930.03
Step by Step Solution
- Step 1: Write the proportion equation
118,559.09 : 163,565.73 = 73,158.19 : x - Step 2: Convert to fraction form
118,559.09/163,565.73 = 73,158.19/x - Step 3: Cross multiply
118,559.09x = 163,565.73 × 73,158.19 - Step 4: Simplify right side
118,559.09x = 11,966,172,343.91 - Step 5: Solve for x
x = 11,966,172,343.91/118,559.09 - Step 6: Final answer
x = 100,930.03
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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.