Finding the Fourth Proportional to 121,349.23, 167,462.75 and 67,637.70
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Solution
The fourth proportional to 121,349.23, 167,462.75 and 67,637.70 is: 93,340.48
Step by Step Solution
- Step 1: Write the proportion equation
121,349.23 : 167,462.75 = 67,637.70 : x - Step 2: Convert to fraction form
121,349.23/167,462.75 = 67,637.70/x - Step 3: Cross multiply
121,349.23x = 167,462.75 × 67,637.70 - Step 4: Simplify right side
121,349.23x = 11,326,795,414.77 - Step 5: Solve for x
x = 11,326,795,414.77/121,349.23 - Step 6: Final answer
x = 93,340.48
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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.