Finding the Fourth Proportional to 121,253.24, 167,316.67 and 70,281.96
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Solution
The fourth proportional to 121,253.24, 167,316.67 and 70,281.96 is: 96,981.68
Step by Step Solution
- Step 1: Write the proportion equation
121,253.24 : 167,316.67 = 70,281.96 : x - Step 2: Convert to fraction form
121,253.24/167,316.67 = 70,281.96/x - Step 3: Cross multiply
121,253.24x = 167,316.67 × 70,281.96 - Step 4: Simplify right side
121,253.24x = 11,759,343,458.11 - Step 5: Solve for x
x = 11,759,343,458.11/121,253.24 - Step 6: Final answer
x = 96,981.68
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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.