Finding the Fourth Proportional to 124,090.84, 186,065.64 and 84,695.68
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Solution
The fourth proportional to 124,090.84, 186,065.64 and 84,695.68 is: 126,995.32
Step by Step Solution
- Step 1: Write the proportion equation
124,090.84 : 186,065.64 = 84,695.68 : x - Step 2: Convert to fraction form
124,090.84/186,065.64 = 84,695.68/x - Step 3: Cross multiply
124,090.84x = 186,065.64 × 84,695.68 - Step 4: Simplify right side
124,090.84x = 15,758,955,904.44 - Step 5: Solve for x
x = 15,758,955,904.44/124,090.84 - Step 6: Final answer
x = 126,995.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.