Finding the Fourth Proportional to 125,059.74, 187,607.66 and 40,799.08
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Solution
The fourth proportional to 125,059.74, 187,607.66 and 40,799.08 is: 61,204.51
Step by Step Solution
- Step 1: Write the proportion equation
125,059.74 : 187,607.66 = 40,799.08 : x - Step 2: Convert to fraction form
125,059.74/187,607.66 = 40,799.08/x - Step 3: Cross multiply
125,059.74x = 187,607.66 × 40,799.08 - Step 4: Simplify right side
125,059.74x = 7,654,219,928.95 - Step 5: Solve for x
x = 7,654,219,928.95/125,059.74 - Step 6: Final answer
x = 61,204.51
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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.