Finding the Fourth Proportional to 135,970.91, 203,935.31 and 69,460.19
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Solution
The fourth proportional to 135,970.91, 203,935.31 and 69,460.19 is: 104,179.53
Step by Step Solution
- Step 1: Write the proportion equation
135,970.91 : 203,935.31 = 69,460.19 : x - Step 2: Convert to fraction form
135,970.91/203,935.31 = 69,460.19/x - Step 3: Cross multiply
135,970.91x = 203,935.31 × 69,460.19 - Step 4: Simplify right side
135,970.91x = 14,165,385,033.01 - Step 5: Solve for x
x = 14,165,385,033.01/135,970.91 - Step 6: Final answer
x = 104,179.53
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.