Finding the Fourth Proportional to 125,374.46, 187,884.90 and 69,239.84
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Solution
The fourth proportional to 125,374.46, 187,884.90 and 69,239.84 is: 103,762.12
Step by Step Solution
- Step 1: Write the proportion equation
125,374.46 : 187,884.90 = 69,239.84 : x - Step 2: Convert to fraction form
125,374.46/187,884.90 = 69,239.84/x - Step 3: Cross multiply
125,374.46x = 187,884.90 × 69,239.84 - Step 4: Simplify right side
125,374.46x = 13,009,119,474.99 - Step 5: Solve for x
x = 13,009,119,474.99/125,374.46 - Step 6: Final answer
x = 103,762.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.