Finding the Fourth Proportional to 124,881.75, 172,336.95 and 68,293.26
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Solution
The fourth proportional to 124,881.75, 172,336.95 and 68,293.26 is: 94,244.77
Step by Step Solution
- Step 1: Write the proportion equation
124,881.75 : 172,336.95 = 68,293.26 : x - Step 2: Convert to fraction form
124,881.75/172,336.95 = 68,293.26/x - Step 3: Cross multiply
124,881.75x = 172,336.95 × 68,293.26 - Step 4: Simplify right side
124,881.75x = 11,769,452,133.96 - Step 5: Solve for x
x = 11,769,452,133.96/124,881.75 - Step 6: Final answer
x = 94,244.77
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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.