Finding the Fourth Proportional to 121,545.84, 167,733.42 and 67,830.84
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Solution
The fourth proportional to 121,545.84, 167,733.42 and 67,830.84 is: 93,606.65
Step by Step Solution
- Step 1: Write the proportion equation
121,545.84 : 167,733.42 = 67,830.84 : x - Step 2: Convert to fraction form
121,545.84/167,733.42 = 67,830.84/x - Step 3: Cross multiply
121,545.84x = 167,733.42 × 67,830.84 - Step 4: Simplify right side
121,545.84x = 11,377,498,774.67 - Step 5: Solve for x
x = 11,377,498,774.67/121,545.84 - Step 6: Final answer
x = 93,606.65
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1.5x scale
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.