Finding the Fourth Proportional to 132,807.71, 183,253.68 and 74,652.98
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Solution
The fourth proportional to 132,807.71, 183,253.68 and 74,652.98 is: 103,009.33
Step by Step Solution
- Step 1: Write the proportion equation
132,807.71 : 183,253.68 = 74,652.98 : x - Step 2: Convert to fraction form
132,807.71/183,253.68 = 74,652.98/x - Step 3: Cross multiply
132,807.71x = 183,253.68 × 74,652.98 - Step 4: Simplify right side
132,807.71x = 13,680,432,391.70 - Step 5: Solve for x
x = 13,680,432,391.70/132,807.71 - Step 6: Final answer
x = 103,009.33
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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.