Finding the Fourth Proportional to 125,686.57, 173,448.59 and 68,326.00
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Solution
The fourth proportional to 125,686.57, 173,448.59 and 68,326.00 is: 94,290.49
Step by Step Solution
- Step 1: Write the proportion equation
125,686.57 : 173,448.59 = 68,326.00 : x - Step 2: Convert to fraction form
125,686.57/173,448.59 = 68,326.00/x - Step 3: Cross multiply
125,686.57x = 173,448.59 × 68,326.00 - Step 4: Simplify right side
125,686.57x = 11,851,048,097.53 - Step 5: Solve for x
x = 11,851,048,097.53/125,686.57 - Step 6: Final answer
x = 94,290.49
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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.