Finding the Fourth Proportional to 135,026.98, 186,333.63 and 74,587.88
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Solution
The fourth proportional to 135,026.98, 186,333.63 and 74,587.88 is: 102,929.28
Step by Step Solution
- Step 1: Write the proportion equation
135,026.98 : 186,333.63 = 74,587.88 : x - Step 2: Convert to fraction form
135,026.98/186,333.63 = 74,587.88/x - Step 3: Cross multiply
135,026.98x = 186,333.63 × 74,587.88 - Step 4: Simplify right side
135,026.98x = 13,898,230,434.40 - Step 5: Solve for x
x = 13,898,230,434.40/135,026.98 - Step 6: Final answer
x = 102,929.28
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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.