Finding the Fourth Proportional to 134,623.80, 185,772.48 and 74,191.05
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Solution
The fourth proportional to 134,623.80, 185,772.48 and 74,191.05 is: 102,379.04
Step by Step Solution
- Step 1: Write the proportion equation
134,623.80 : 185,772.48 = 74,191.05 : x - Step 2: Convert to fraction form
134,623.80/185,772.48 = 74,191.05/x - Step 3: Cross multiply
134,623.80x = 185,772.48 × 74,191.05 - Step 4: Simplify right side
134,623.80x = 13,782,655,352.30 - Step 5: Solve for x
x = 13,782,655,352.30/134,623.80 - Step 6: Final answer
x = 102,379.04
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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.