Finding the Fourth Proportional to 132,237.18, 182,486.64 and 71,807.28
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Solution
The fourth proportional to 132,237.18, 182,486.64 and 71,807.28 is: 99,093.68
Step by Step Solution
- Step 1: Write the proportion equation
132,237.18 : 182,486.64 = 71,807.28 : x - Step 2: Convert to fraction form
132,237.18/182,486.64 = 71,807.28/x - Step 3: Cross multiply
132,237.18x = 182,486.64 × 71,807.28 - Step 4: Simplify right side
132,237.18x = 13,103,869,254.74 - Step 5: Solve for x
x = 13,103,869,254.74/132,237.18 - Step 6: Final answer
x = 99,093.68
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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.