Finding the Fourth Proportional to 140,246.01, 193,554.75 and 86,529.65
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Solution
The fourth proportional to 140,246.01, 193,554.75 and 86,529.65 is: 119,420.32
Step by Step Solution
- Step 1: Write the proportion equation
140,246.01 : 193,554.75 = 86,529.65 : x - Step 2: Convert to fraction form
140,246.01/193,554.75 = 86,529.65/x - Step 3: Cross multiply
140,246.01x = 193,554.75 × 86,529.65 - Step 4: Simplify right side
140,246.01x = 16,748,223,805.56 - Step 5: Solve for x
x = 16,748,223,805.56/140,246.01 - Step 6: Final answer
x = 119,420.32
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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.