Finding the Fourth Proportional to 124,606.74, 186,718.72 and 84,573.71
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Solution
The fourth proportional to 124,606.74, 186,718.72 and 84,573.71 is: 126,730.66
Step by Step Solution
- Step 1: Write the proportion equation
124,606.74 : 186,718.72 = 84,573.71 : x - Step 2: Convert to fraction form
124,606.74/186,718.72 = 84,573.71/x - Step 3: Cross multiply
124,606.74x = 186,718.72 × 84,573.71 - Step 4: Simplify right side
124,606.74x = 15,791,494,876.85 - Step 5: Solve for x
x = 15,791,494,876.85/124,606.74 - Step 6: Final answer
x = 126,730.66
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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.