Finding the Fourth Proportional to 118,973.13, 164,182.91 and 68,672.13
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Solution
The fourth proportional to 118,973.13, 164,182.91 and 68,672.13 is: 94,767.53
Step by Step Solution
- Step 1: Write the proportion equation
118,973.13 : 164,182.91 = 68,672.13 : x - Step 2: Convert to fraction form
118,973.13/164,182.91 = 68,672.13/x - Step 3: Cross multiply
118,973.13x = 164,182.91 × 68,672.13 - Step 4: Simplify right side
118,973.13x = 11,274,790,139.30 - Step 5: Solve for x
x = 11,274,790,139.30/118,973.13 - Step 6: Final answer
x = 94,767.53
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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.