Finding the Fourth Proportional to 121,261.68, 167,341.03 and 70,304.00
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Solution
The fourth proportional to 121,261.68, 167,341.03 and 70,304.00 is: 97,019.47
Step by Step Solution
- Step 1: Write the proportion equation
121,261.68 : 167,341.03 = 70,304.00 : x - Step 2: Convert to fraction form
121,261.68/167,341.03 = 70,304.00/x - Step 3: Cross multiply
121,261.68x = 167,341.03 × 70,304.00 - Step 4: Simplify right side
121,261.68x = 11,764,743,603.08 - Step 5: Solve for x
x = 11,764,743,603.08/121,261.68 - Step 6: Final answer
x = 97,019.47
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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.