Finding the Fourth Proportional to 188,739.99, 260,618.76 and 125,360.73
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Solution
The fourth proportional to 188,739.99, 260,618.76 and 125,360.73 is: 173,102.47
Step by Step Solution
- Step 1: Write the proportion equation
188,739.99 : 260,618.76 = 125,360.73 : x - Step 2: Convert to fraction form
188,739.99/260,618.76 = 125,360.73/x - Step 3: Cross multiply
188,739.99x = 260,618.76 × 125,360.73 - Step 4: Simplify right side
188,739.99x = 32,671,358,005.29 - Step 5: Solve for x
x = 32,671,358,005.29/188,739.99 - Step 6: Final answer
x = 173,102.47
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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.