Finding the Fourth Proportional to 135,151.05, 186,494.16 and 74,711.95
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Solution
The fourth proportional to 135,151.05, 186,494.16 and 74,711.95 is: 103,094.59
Step by Step Solution
- Step 1: Write the proportion equation
135,151.05 : 186,494.16 = 74,711.95 : x - Step 2: Convert to fraction form
135,151.05/186,494.16 = 74,711.95/x - Step 3: Cross multiply
135,151.05x = 186,494.16 × 74,711.95 - Step 4: Simplify right side
135,151.05x = 13,933,342,357.21 - Step 5: Solve for x
x = 13,933,342,357.21/135,151.05 - Step 6: Final answer
x = 103,094.59
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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.