Finding the Fourth Proportional to 135,117.66, 186,436.71 and 84,793.98
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Solution
The fourth proportional to 135,117.66, 186,436.71 and 84,793.98 is: 116,999.59
Step by Step Solution
- Step 1: Write the proportion equation
135,117.66 : 186,436.71 = 84,793.98 : x - Step 2: Convert to fraction form
135,117.66/186,436.71 = 84,793.98/x - Step 3: Cross multiply
135,117.66x = 186,436.71 × 84,793.98 - Step 4: Simplify right side
135,117.66x = 15,808,710,659.01 - Step 5: Solve for x
x = 15,808,710,659.01/135,117.66 - Step 6: Final answer
x = 116,999.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.