Finding the Fourth Proportional to 134,965.14, 186,251.91 and 75,349.14
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Solution
The fourth proportional to 134,965.14, 186,251.91 and 75,349.14 is: 103,981.82
Step by Step Solution
- Step 1: Write the proportion equation
134,965.14 : 186,251.91 = 75,349.14 : x - Step 2: Convert to fraction form
134,965.14/186,251.91 = 75,349.14/x - Step 3: Cross multiply
134,965.14x = 186,251.91 × 75,349.14 - Step 4: Simplify right side
134,965.14x = 14,033,921,241.86 - Step 5: Solve for x
x = 14,033,921,241.86/134,965.14 - Step 6: Final answer
x = 103,981.82
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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.