Finding the Fourth Proportional to 133,193.92, 183,685.76 and 104,126.08
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Solution
The fourth proportional to 133,193.92, 183,685.76 and 104,126.08 is: 143,598.73
Step by Step Solution
- Step 1: Write the proportion equation
133,193.92 : 183,685.76 = 104,126.08 : x - Step 2: Convert to fraction form
133,193.92/183,685.76 = 104,126.08/x - Step 3: Cross multiply
133,193.92x = 183,685.76 × 104,126.08 - Step 4: Simplify right side
133,193.92x = 19,126,478,140.62 - Step 5: Solve for x
x = 19,126,478,140.62/133,193.92 - Step 6: Final answer
x = 143,598.73
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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.