Finding the Fourth Proportional to 126,017.95, 173,904.24 and 68,657.09
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Solution
The fourth proportional to 126,017.95, 173,904.24 and 68,657.09 is: 94,746.49
Step by Step Solution
- Step 1: Write the proportion equation
126,017.95 : 173,904.24 = 68,657.09 : x - Step 2: Convert to fraction form
126,017.95/173,904.24 = 68,657.09/x - Step 3: Cross multiply
126,017.95x = 173,904.24 × 68,657.09 - Step 4: Simplify right side
126,017.95x = 11,939,759,057.06 - Step 5: Solve for x
x = 11,939,759,057.06/126,017.95 - Step 6: Final answer
x = 94,746.49
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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.