Finding the Fourth Proportional to 134,927.40, 186,207.07 and 74,497.82
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Solution
The fourth proportional to 134,927.40, 186,207.07 and 74,497.82 is: 102,811.00
Step by Step Solution
- Step 1: Write the proportion equation
134,927.40 : 186,207.07 = 74,497.82 : x - Step 2: Convert to fraction form
134,927.40/186,207.07 = 74,497.82/x - Step 3: Cross multiply
134,927.40x = 186,207.07 × 74,497.82 - Step 4: Simplify right side
134,927.40x = 13,872,020,783.59 - Step 5: Solve for x
x = 13,872,020,783.59/134,927.40 - Step 6: Final answer
x = 102,811.00
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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.