Finding the Fourth Proportional to 121,248.36, 167,320.44 and 67,537.80
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Solution
The fourth proportional to 121,248.36, 167,320.44 and 67,537.80 is: 93,200.88
Step by Step Solution
- Step 1: Write the proportion equation
121,248.36 : 167,320.44 = 67,537.80 : x - Step 2: Convert to fraction form
121,248.36/167,320.44 = 67,537.80/x - Step 3: Cross multiply
121,248.36x = 167,320.44 × 67,537.80 - Step 4: Simplify right side
121,248.36x = 11,300,454,412.63 - Step 5: Solve for x
x = 11,300,454,412.63/121,248.36 - Step 6: Final answer
x = 93,200.88
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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.