Finding the Fourth Proportional to 133,068.05, 183,627.51 and 75,701.99
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Solution
The fourth proportional to 133,068.05, 183,627.51 and 75,701.99 is: 104,465.10
Step by Step Solution
- Step 1: Write the proportion equation
133,068.05 : 183,627.51 = 75,701.99 : x - Step 2: Convert to fraction form
133,068.05/183,627.51 = 75,701.99/x - Step 3: Cross multiply
133,068.05x = 183,627.51 × 75,701.99 - Step 4: Simplify right side
133,068.05x = 13,900,967,007.61 - Step 5: Solve for x
x = 13,900,967,007.61/133,068.05 - Step 6: Final answer
x = 104,465.10
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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.