Finding the Fourth Proportional to 146,106.87, 201,661.05 and 85,696.98
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Solution
The fourth proportional to 146,106.87, 201,661.05 and 85,696.98 is: 118,281.52
Step by Step Solution
- Step 1: Write the proportion equation
146,106.87 : 201,661.05 = 85,696.98 : x - Step 2: Convert to fraction form
146,106.87/201,661.05 = 85,696.98/x - Step 3: Cross multiply
146,106.87x = 201,661.05 × 85,696.98 - Step 4: Simplify right side
146,106.87x = 17,281,742,968.63 - Step 5: Solve for x
x = 17,281,742,968.63/146,106.87 - Step 6: Final answer
x = 118,281.52
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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.