Finding the Fourth Proportional to 121,594.23, 167,787.29 and 70,596.99
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Solution
The fourth proportional to 121,594.23, 167,787.29 and 70,596.99 is: 97,416.44
Step by Step Solution
- Step 1: Write the proportion equation
121,594.23 : 167,787.29 = 70,596.99 : x - Step 2: Convert to fraction form
121,594.23/167,787.29 = 70,596.99/x - Step 3: Cross multiply
121,594.23x = 167,787.29 × 70,596.99 - Step 4: Simplify right side
121,594.23x = 11,845,277,281.27 - Step 5: Solve for x
x = 11,845,277,281.27/121,594.23 - Step 6: Final answer
x = 97,416.44
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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.