Finding the Fourth Proportional to 124,510.24, 171,879.78 and 84,345.99
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Solution
The fourth proportional to 124,510.24, 171,879.78 and 84,345.99 is: 116,435.16
Step by Step Solution
- Step 1: Write the proportion equation
124,510.24 : 171,879.78 = 84,345.99 : x - Step 2: Convert to fraction form
124,510.24/171,879.78 = 84,345.99/x - Step 3: Cross multiply
124,510.24x = 171,879.78 × 84,345.99 - Step 4: Simplify right side
124,510.24x = 14,497,370,205.08 - Step 5: Solve for x
x = 14,497,370,205.08/124,510.24 - Step 6: Final answer
x = 116,435.16
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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.