Finding the Fourth Proportional to 124,526.20, 186,497.70 and 84,868.60
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Solution
The fourth proportional to 124,526.20, 186,497.70 and 84,868.60 is: 127,104.17
Step by Step Solution
- Step 1: Write the proportion equation
124,526.20 : 186,497.70 = 84,868.60 : x - Step 2: Convert to fraction form
124,526.20/186,497.70 = 84,868.60/x - Step 3: Cross multiply
124,526.20x = 186,497.70 × 84,868.60 - Step 4: Simplify right side
124,526.20x = 15,827,798,702.22 - Step 5: Solve for x
x = 15,827,798,702.22/124,526.20 - Step 6: Final answer
x = 127,104.17
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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.