Finding the Fourth Proportional to 169,867.73, 234,420.09 and 93,390.14
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Solution
The fourth proportional to 169,867.73, 234,420.09 and 93,390.14 is: 128,879.84
Step by Step Solution
- Step 1: Write the proportion equation
169,867.73 : 234,420.09 = 93,390.14 : x - Step 2: Convert to fraction form
169,867.73/234,420.09 = 93,390.14/x - Step 3: Cross multiply
169,867.73x = 234,420.09 × 93,390.14 - Step 4: Simplify right side
169,867.73x = 21,892,525,023.91 - Step 5: Solve for x
x = 21,892,525,023.91/169,867.73 - Step 6: Final answer
x = 128,879.84
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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.