Finding the Fourth Proportional to 134,848.36, 186,102.66 and 74,432.08
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Solution
The fourth proportional to 134,848.36, 186,102.66 and 74,432.08 is: 102,722.85
Step by Step Solution
- Step 1: Write the proportion equation
134,848.36 : 186,102.66 = 74,432.08 : x - Step 2: Convert to fraction form
134,848.36/186,102.66 = 74,432.08/x - Step 3: Cross multiply
134,848.36x = 186,102.66 × 74,432.08 - Step 4: Simplify right side
134,848.36x = 13,852,008,077.33 - Step 5: Solve for x
x = 13,852,008,077.33/134,848.36 - Step 6: Final answer
x = 102,722.85
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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.