Finding the Fourth Proportional to 118,550.24, 163,658.80 and 91,631.96
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Solution
The fourth proportional to 118,550.24, 163,658.80 and 91,631.96 is: 126,498.07
Step by Step Solution
- Step 1: Write the proportion equation
118,550.24 : 163,658.80 = 91,631.96 : x - Step 2: Convert to fraction form
118,550.24/163,658.80 = 91,631.96/x - Step 3: Cross multiply
118,550.24x = 163,658.80 × 91,631.96 - Step 4: Simplify right side
118,550.24x = 14,996,376,615.25 - Step 5: Solve for x
x = 14,996,376,615.25/118,550.24 - Step 6: Final answer
x = 126,498.07
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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.