Finding the Fourth Proportional to 124,654.06, 186,683.07 and 71,903.62
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Solution
The fourth proportional to 124,654.06, 186,683.07 and 71,903.62 is: 107,683.52
Step by Step Solution
- Step 1: Write the proportion equation
124,654.06 : 186,683.07 = 71,903.62 : x - Step 2: Convert to fraction form
124,654.06/186,683.07 = 71,903.62/x - Step 3: Cross multiply
124,654.06x = 186,683.07 × 71,903.62 - Step 4: Simplify right side
124,654.06x = 13,423,187,592.30 - Step 5: Solve for x
x = 13,423,187,592.30/124,654.06 - Step 6: Final answer
x = 107,683.52
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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.