Finding the Fourth Proportional to 121,260.68, 167,344.91 and 67,545.73
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Solution
The fourth proportional to 121,260.68, 167,344.91 and 67,545.73 is: 93,215.99
Step by Step Solution
- Step 1: Write the proportion equation
121,260.68 : 167,344.91 = 67,545.73 : x - Step 2: Convert to fraction form
121,260.68/167,344.91 = 67,545.73/x - Step 3: Cross multiply
121,260.68x = 167,344.91 × 67,545.73 - Step 4: Simplify right side
121,260.68x = 11,303,434,422.46 - Step 5: Solve for x
x = 11,303,434,422.46/121,260.68 - Step 6: Final answer
x = 93,215.99
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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.