Finding the Fourth Proportional to 124,908.24, 172,377.51 and 68,319.60
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Solution
The fourth proportional to 124,908.24, 172,377.51 and 68,319.60 is: 94,283.31
Step by Step Solution
- Step 1: Write the proportion equation
124,908.24 : 172,377.51 = 68,319.60 : x - Step 2: Convert to fraction form
124,908.24/172,377.51 = 68,319.60/x - Step 3: Cross multiply
124,908.24x = 172,377.51 × 68,319.60 - Step 4: Simplify right side
124,908.24x = 11,776,762,532.20 - Step 5: Solve for x
x = 11,776,762,532.20/124,908.24 - Step 6: Final answer
x = 94,283.31
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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.