Finding the Fourth Proportional to 132,911.93, 183,423.06 and 75,553.65
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Solution
The fourth proportional to 132,911.93, 183,423.06 and 75,553.65 is: 104,266.65
Step by Step Solution
- Step 1: Write the proportion equation
132,911.93 : 183,423.06 = 75,553.65 : x - Step 2: Convert to fraction form
132,911.93/183,423.06 = 75,553.65/x - Step 3: Cross multiply
132,911.93x = 183,423.06 × 75,553.65 - Step 4: Simplify right side
132,911.93x = 13,858,281,677.17 - Step 5: Solve for x
x = 13,858,281,677.17/132,911.93 - Step 6: Final answer
x = 104,266.65
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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.