Finding the Fourth Proportional to 125,195.06, 172,768.91 and 67,835.95
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Solution
The fourth proportional to 125,195.06, 172,768.91 and 67,835.95 is: 93,613.45
Step by Step Solution
- Step 1: Write the proportion equation
125,195.06 : 172,768.91 = 67,835.95 : x - Step 2: Convert to fraction form
125,195.06/172,768.91 = 67,835.95/x - Step 3: Cross multiply
125,195.06x = 172,768.91 × 67,835.95 - Step 4: Simplify right side
125,195.06x = 11,719,941,937.29 - Step 5: Solve for x
x = 11,719,941,937.29/125,195.06 - Step 6: Final answer
x = 93,613.45
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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.