Finding the Fourth Proportional to 135,477.63, 186,841.62 and 101,562.66
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Solution
The fourth proportional to 135,477.63, 186,841.62 and 101,562.66 is: 140,068.38
Step by Step Solution
- Step 1: Write the proportion equation
135,477.63 : 186,841.62 = 101,562.66 : x - Step 2: Convert to fraction form
135,477.63/186,841.62 = 101,562.66/x - Step 3: Cross multiply
135,477.63x = 186,841.62 × 101,562.66 - Step 4: Simplify right side
135,477.63x = 18,976,131,925.91 - Step 5: Solve for x
x = 18,976,131,925.91/135,477.63 - Step 6: Final answer
x = 140,068.38
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1.5x scale
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.