Finding the Fourth Proportional to 124,952.26, 172,438.08 and 68,363.64
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Solution
The fourth proportional to 124,952.26, 172,438.08 and 68,363.64 is: 94,343.99
Step by Step Solution
- Step 1: Write the proportion equation
124,952.26 : 172,438.08 = 68,363.64 : x - Step 2: Convert to fraction form
124,952.26/172,438.08 = 68,363.64/x - Step 3: Cross multiply
124,952.26x = 172,438.08 × 68,363.64 - Step 4: Simplify right side
124,952.26x = 11,788,494,823.41 - Step 5: Solve for x
x = 11,788,494,823.41/124,952.26 - Step 6: Final answer
x = 94,343.99
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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.