Finding the Fourth Proportional to 134,727.18, 185,924.80 and 74,299.96
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Solution
The fourth proportional to 134,727.18, 185,924.80 and 74,299.96 is: 102,534.66
Step by Step Solution
- Step 1: Write the proportion equation
134,727.18 : 185,924.80 = 74,299.96 : x - Step 2: Convert to fraction form
134,727.18/185,924.80 = 74,299.96/x - Step 3: Cross multiply
134,727.18x = 185,924.80 × 74,299.96 - Step 4: Simplify right side
134,727.18x = 13,814,205,203.01 - Step 5: Solve for x
x = 13,814,205,203.01/134,727.18 - Step 6: Final answer
x = 102,534.66
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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.