Finding the Fourth Proportional to 148,545.99, 205,019.66 and 88,149.94
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Solution
The fourth proportional to 148,545.99, 205,019.66 and 88,149.94 is: 121,662.46
Step by Step Solution
- Step 1: Write the proportion equation
148,545.99 : 205,019.66 = 88,149.94 : x - Step 2: Convert to fraction form
148,545.99/205,019.66 = 88,149.94/x - Step 3: Cross multiply
148,545.99x = 205,019.66 × 88,149.94 - Step 4: Simplify right side
148,545.99x = 18,072,470,435.65 - Step 5: Solve for x
x = 18,072,470,435.65/148,545.99 - Step 6: Final answer
x = 121,662.46
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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.