Finding the Fourth Proportional to 118,645.24, 163,714.60 and 68,334.52
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Solution
The fourth proportional to 118,645.24, 163,714.60 and 68,334.52 is: 94,292.52
Step by Step Solution
- Step 1: Write the proportion equation
118,645.24 : 163,714.60 = 68,334.52 : x - Step 2: Convert to fraction form
118,645.24/163,714.60 = 68,334.52/x - Step 3: Cross multiply
118,645.24x = 163,714.60 × 68,334.52 - Step 4: Simplify right side
118,645.24x = 11,187,358,607.99 - Step 5: Solve for x
x = 11,187,358,607.99/118,645.24 - Step 6: Final answer
x = 94,292.52
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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.