Finding the Fourth Proportional to 133,042.16, 183,602.45 and 75,679.99
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Solution
The fourth proportional to 133,042.16, 183,602.45 and 75,679.99 is: 104,440.81
Step by Step Solution
- Step 1: Write the proportion equation
133,042.16 : 183,602.45 = 75,679.99 : x - Step 2: Convert to fraction form
133,042.16/183,602.45 = 75,679.99/x - Step 3: Cross multiply
133,042.16x = 183,602.45 × 75,679.99 - Step 4: Simplify right side
133,042.16x = 13,895,030,884.47 - Step 5: Solve for x
x = 13,895,030,884.47/133,042.16 - Step 6: Final answer
x = 104,440.81
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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.