Finding the Fourth Proportional to 118,370.67, 163,348.86 and 64,655.88
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Solution
The fourth proportional to 118,370.67, 163,348.86 and 64,655.88 is: 89,223.66
Step by Step Solution
- Step 1: Write the proportion equation
118,370.67 : 163,348.86 = 64,655.88 : x - Step 2: Convert to fraction form
118,370.67/163,348.86 = 64,655.88/x - Step 3: Cross multiply
118,370.67x = 163,348.86 × 64,655.88 - Step 4: Simplify right side
118,370.67x = 10,561,464,290.30 - Step 5: Solve for x
x = 10,561,464,290.30/118,370.67 - Step 6: Final answer
x = 89,223.66
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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.