Finding the Fourth Proportional to 125,089.67, 187,644.85 and 40,847.96
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Solution
The fourth proportional to 125,089.67, 187,644.85 and 40,847.96 is: 61,275.32
Step by Step Solution
- Step 1: Write the proportion equation
125,089.67 : 187,644.85 = 40,847.96 : x - Step 2: Convert to fraction form
125,089.67/187,644.85 = 40,847.96/x - Step 3: Cross multiply
125,089.67x = 187,644.85 × 40,847.96 - Step 4: Simplify right side
125,089.67x = 7,664,909,694.00 - Step 5: Solve for x
x = 7,664,909,694.00/125,089.67 - Step 6: Final answer
x = 61,275.32
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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.