Finding the Fourth Proportional to 134,835.00, 186,072.15 and 74,405.62
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Solution
The fourth proportional to 134,835.00, 186,072.15 and 74,405.62 is: 102,679.68
Step by Step Solution
- Step 1: Write the proportion equation
134,835.00 : 186,072.15 = 74,405.62 : x - Step 2: Convert to fraction form
134,835.00/186,072.15 = 74,405.62/x - Step 3: Cross multiply
134,835.00x = 186,072.15 × 74,405.62 - Step 4: Simplify right side
134,835.00x = 13,844,813,685.48 - Step 5: Solve for x
x = 13,844,813,685.48/134,835.00 - Step 6: Final answer
x = 102,679.68
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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.