Finding the Fourth Proportional to 134,914.68, 186,184.98 and 74,485.08
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Solution
The fourth proportional to 134,914.68, 186,184.98 and 74,485.08 is: 102,790.91
Step by Step Solution
- Step 1: Write the proportion equation
134,914.68 : 186,184.98 = 74,485.08 : x - Step 2: Convert to fraction form
134,914.68/186,184.98 = 74,485.08/x - Step 3: Cross multiply
134,914.68x = 186,184.98 × 74,485.08 - Step 4: Simplify right side
134,914.68x = 13,868,003,130.10 - Step 5: Solve for x
x = 13,868,003,130.10/134,914.68 - Step 6: Final answer
x = 102,790.91
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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.