Finding the Fourth Proportional to 134,675.64, 185,843.64 and 74,246.79
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Solution
The fourth proportional to 134,675.64, 185,843.64 and 74,246.79 is: 102,455.75
Step by Step Solution
- Step 1: Write the proportion equation
134,675.64 : 185,843.64 = 74,246.79 : x - Step 2: Convert to fraction form
134,675.64/185,843.64 = 74,246.79/x - Step 3: Cross multiply
134,675.64x = 185,843.64 × 74,246.79 - Step 4: Simplify right side
134,675.64x = 13,798,293,711.92 - Step 5: Solve for x
x = 13,798,293,711.92/134,675.64 - Step 6: Final answer
x = 102,455.75
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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.