Finding the Fourth Proportional to 134,914.95, 186,177.75 and 74,484.32
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Solution
The fourth proportional to 134,914.95, 186,177.75 and 74,484.32 is: 102,785.66
Step by Step Solution
- Step 1: Write the proportion equation
134,914.95 : 186,177.75 = 74,484.32 : x - Step 2: Convert to fraction form
134,914.95/186,177.75 = 74,484.32/x - Step 3: Cross multiply
134,914.95x = 186,177.75 × 74,484.32 - Step 4: Simplify right side
134,914.95x = 13,867,322,176.99 - Step 5: Solve for x
x = 13,867,322,176.99/134,914.95 - Step 6: Final answer
x = 102,785.66
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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.